specification for variable frequency...

LPG BOTTLING PLANT , BATHINDA

Doc. No. 266763-000-SP-4008 Rev: 0 of 25

P:\Kolkata\Engineering\JOBS\OGO-269323-HPCL Bathinda-LPG\ELECTRICAL\03. Issued to client\VFD\VFD\Rev0\266763-000-SP-4008Rev0.doc

Specification for Variable Frequency Drives

Hindustan Petroleum Corporation Ltd

8 S.V. Marg, Ballard Estate

Mumbai- 400 001

Mott MacDonald Consultants (India) Pvt. Ltd.

Kothari House, CTS No. 185

Off Andheri - Kurla Road

Andheri (East)

Mumbai 400 059


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List of Content Page No

1 Introduction 5

2 Location and Environmental Conditions 5

2.1 Plant Location 5

2.2 Environmental Conditions 6

2.3 Electrical System Data 6

3 Scope of Supply 6

3.1 Electrical Equipment & Material: 6

3.2 Engineering Services 6

3.3 Exclusions 7

4 Codes and Standards 7

4.1 General 7

4.2 Conflicting Requirements 7

5 Technical Particulars: 7

5.1 General 7

5.2 Incoming & Outgoing switchgear 8

5.3 Converter and Inverter Section 8

5.4 Design Criteria 8

5.5 Features 8

5.6 Control and Indications 9

5.7 Protections & annunciations 10

5.8 Metering 11

5.9 Cooling System 11

5.10 EMC, Harmonics, and Filter Systems 11

5.11 Noise Level 11

5.12 Construction: 12

5.13 Tropical Protection 12

5.14 Painting 12

5.15 Quality assurance: 13

6 Inspection and testing: 13

7 Vendor documentation: 14


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8 Spares and special tools: 15

9 Installation and commissioning: 15

10 Packing and transportation: 16

11 Statutory Approval: 16

12 Guarantee: 16

Appendix-A: Table of Compliance. 17

Appendix-B: Electrical System Data 19

Appendix-C: Codes & Standards. 21

Appendix-D: Requisition for Engineering Documents 22

Appendix-E: Guaranteed Technical Particulars for Variable Frequency Drive 24


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1 Introduction

This specification is intended to cover the design, manufacture, assembly, testing at manufacturer's works,

supply & delivery, properly packed for transport FOR site of 415V, 3-Ph AC variable frequency drives

(VFD) complete with all accessories for efficient and trouble-free operation for the LPG Bottling Plant

project at Bathinda of Hindustan Petroleum Corporation Limited, India.

The scope of work shall also include, the supervision of erection, testing, commissioning and putting into

successful commercial operation of variable speed AC drives under this specification

Following are the definitions:

Company/Client/Owner Shall mean Hindustan Petroleum Corporation Limited

(HPCL),

Consultant Shall mean Mott MacDonald Consultants India Pvt. Ltd.

(MMCI).

Manufacturer / Vendor Supplier of AC variable frequency drives (VFD)

Shall This is to be understood as mandatory in relation to the

requirements of this document.

Should This is to be understood as a strong recommendation to

comply with the requirements of this document.

Equipment This is to be understood as vendor supplied equipment

with all accessories.

The Vendor shall ensure that the design complies with the requirements of this specification and its

referenced specifications, data sheets & standards. Deviation if any should be specifically brought out

during the offer stage in the Table of Compliance, Appendix-A. Without the compliance table and

Guaranteed Technical Particulars can cause rejection of the offer. Failure to clearly identify specific

deviations, if any, shall be assumed by the Purchaser to be total compliance with the specification.

This specification does not relieve the Vendor from final guarantee as to materials, apparatus,

workmanship and performance of the equipment supplied.

2 Location and Environmental Conditions

2.1 Plant Location

The Plant is situated at Village Phulo Khari, Taluka – Talwandi Sabo, District Bathinda Punjab. AC variable

frequency drives (VFD) shall be located in a separate room adjacent to MCC Room.


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2.2 Environmental Conditions

Design ambient temperature for Electrical Equipment (Indoor): 50 0 C

Design ambient temperature for Electrical Equipment (Outdoor): 55 0 C

For other details Refer EIA Report for Site Environmental condition.

2.3 Electrical System Data

Refer Appendix – B for details of electrical system data.

3 Scope of Supply

The following equipments shall be supplied, in accordance with this specification; standards stated herein

& enclosed Appendices.

3.1 Electrical Equipment & Material:

Sr. No. Item Description Unit Quantity Remarks

• 415V, 3-Ph AC variable frequency drives (VFD) complete with all accessories suitable for feeding the following loads:

1.0 37.5KW LPG pump motor for Cylinder Filling Set 2 1-Working & 1-Standby

2.0 75.0KW LPG pump motor for Tanker Loading Set 3 2-Working & 1-Standby

• Inspection and Testing as specified.

• Submission of documents as specified.

• Painting as specified.

• Preservation, preparation of shipment and delivery to site.

• List of Spares for two years normal operation.

• Start-up spares and commissioning spares.

• List of special tools required (Vendor to provide list with the bid).

• Any other items, required to make system complete.

3.2 Engineering Services

The Vendor shall provide engineering services, which shall include, but not necessarily be limited to the

following:

• Providing/coordinating detailed design of all equipment and components within the scope of

supply.


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• Resolving engineering queries related to the equipment and components within the scope of

supply.

• Performing all relevant calculations pertaining to the equipment and components within the scope

of supply.

• Providing progress reports etc, if applicable.

• Providing expediting services for all sub-vendors, if any.

• Providing quality assurance, including all sub-vendors if any with respect to ISO 9000 or

equivalent.

• Supervision of Installation, testing and commissioning.

• Training of Client’s personnel at site / Vendor’s shop.

3.3 Exclusions

Installation, testing & commissioning.

4 Codes and Standards

4.1 General

The VFD shall meet the requirements of this specification and latest edition of all applicable standards

including standards listed in Appendix-C

4.2 Conflicting Requirements

In case of any conflict between documents relating to the enquiry or purchase order, the following priority

of documents shall apply.

First priority : This engineering specification along with attached drawings/ data sheets and

subsequent purchase order & variations thereto.

Second priority : Relevant Indian /International standards.

Note: Should any conflict arise either before or after order placement the Vendor shall immediately inform

the Client for technical resolution of the conflict.

5 Technical Particulars:

5.1 General

5.1.1 VFD unit shall be 3-Ph, 6/12 pulse Rectifier Bridge, D.C. link with reactor/capacitors, Inverter

Bridge, microprocessor based control system. The VFD shall be pulse width modulation (PWM)

type with flux vector control. The VFD unit shall have cooling fan and this shall be controlled

based on heat sink temperature. Converter transformer/input reactor and output reactor, if

required, shall be integral part of drive panel.

31914990

Line

31914990

Line


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5.1.2 The unit shall comprise of incoming switchgear, input reactor, three phase diode bridge rectifier

acting as the line converter, DC link with capacitor unit, three phase inverter, output contactor,

output reactor, by-pass arrangement, etc.

5.2 Incoming & Outgoing switchgear

5.2.1 The unit shall comprise of an incoming microprocessor based MCCB with suitable over current,

short circuit & earth fault releases. The MCCB incomer shall be fully rated having short circuit

withstand 50 KA for 1 sec minimum.

5.2.2 By-pass and output power contactor with AC-4 duty for the applicable loads. Motor protection

electronic overload relay as required.

5.3 Converter and Inverter Section

5.3.1 3-Ph, 6/12-pulse diode bridge rectifier acting as the line converter with necessary input

transformer or reactor, DC link reactor, capacitor unit, dynamic braking facility, etc as required.

3-Ph inverter with IGBT power circuit devices connected with necessary output filters. The VFD

shall be pulse width modulation (PWM) type with flux vector control for open loop speed control

with manual set points.

5.4 Design Criteria

a) Input Supply : 415V (+5%, -5%), TPN, 50KA for 1-sec

b) Input frequency : 50 Hz ± 3%

c) Ambient temperature : 50 deg C

d) Output Voltage : 0- input Voltage 3 Phase

e) Output Frequency : 0- 60 Hz or as required

f) Resolution : 0.01 Hz.

g) Inputs and Outputs : Digital & Analogue as required

h) Short time Overload Capacity : 150% for 1 min./ every 10 min.(constant torque)

110% for 1 min./ every 10 min. (squared torque) and meet

the requirement of the driven equipment

h) Switching Frequency : Adjustable to 15kHz.

i) Total Harmonic Distortion : As per IEEE-519

j) Length of outgoing cables : 750M (approx)

Note: During momentary voltage dip in the input voltage supply, auxiliary voltage supply, or

both, to 80 percent of rated voltage for a duration not exceeding 0.5 second, the VFD shall be

able to automatically continue to supply reduced power to the motor and return to set-point

speed (if the speed drifted slightly), or reaccelerate if load torque demand resulted in reduced

speed.

5.5 Features

5.5.1 The following minimum features shall be available with selected VFD unit:


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a) Auto tuning

b) Parameter lock

c) Power loss ride through

d) Adjustable acceleration / deceleration time

e) Adjustable starting torque

f) Suitable for Constant torque / squared torque application as per requirement.

g) Torque boost at start (adjustable)

h) Adjustable switching frequency

i) Analog inputs/outputs of the converter shall be galvanically isolated type. Digital outputs shall be potential free type.

j) Components for the same function and rating shall be of identical design, make and of modular construction to reduce the inventory.

5.5.2 The following By-pass features shall be included:

a) Manual bypass shall provide all the circuitry necessary to transfer the motor from the VFD to the power line, or from the line to the controller while the motor is at zero speed.

b) The bypass circuitry shall fully isolate both the VFD input and output from the line and load sides, providing full speed motor operation.

c) The AC Drive shall include mechanically and electrically interlocked isolation and bypass contactors complete with thermal overload relay, VFD/OFF/BYPASS switch and TEST/NORMAL selector switch.

d) Motor overload protection shall be provided in both the controller mode and the bypass mode.

e) The operator shall have full control of the bypass starter by operation of the VFD/OFF/BYPASS selector switch.

f) In the AUTOMATIC mode of operation, the isolation and bypass contactors shall be sequenced by the auto start contact from remote.

g) A TEST/NORMAL selector switch shall provide test operation of the power converter while operating the motor in bypass.

h) Indication shall be provided for motor operating in `Drive’ or `By-pass’ mode.

5.6 Control and Indications

5.6.1 All local indications offered for the VFD and supporting systems (e.g., cooling system(s).

5.6.2 All analog and digital fields I/O shall be electrically isolated from VFD logic-level circuits.

5.6.3 The following minimum controls shall be provided at the VFD control panel:

a) START

b) STOP

c) Fault reset

d) Auto and Manual selection

e) Manual set points

f) VFD/OFF/BYPASS


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5.6.4 The following minimum indications shall be displayed at the VFD control panel:

g) Ready to start

h) Running

i) Motor Running On By-Pass

j) Alarms

k) Tripped

l) Input voltage and frequency

m) Input power

n) Output voltage and frequency

o) Output power

p) Output current

q) Control supply ON

r) Cooling failure

5.6.5 All indication lamps shall be long-life light emitting diode (LED) type, and shall have a lamp test

feature.

5.6.6 The unit shall have soft / hard wired control system with suitable interfaces for interlocks as well

as the required instruments and signals

5.6.7 Suitable operator panel unit for programming /debugging and control shall be provided for

remote parameterisation. Control of set points, display of faults, alarms as well as diagnostic

messages shall also be available in plain text on this operator panel on the cubicle door. It shall

be sealed type with membrane switches & LCD display unit. This shall be user configurable

type.

5.7 Protections & annunciations

5.7.1 All required high-speed electronic protections should also be available with unit apart from self-

diagnostic features. A few are listed below.

a) Over current instantaneous trip

b) Short circuit protection for converter/ inverter

c) Adjustable current limit

d) Earth fault protection

e) Over temperature at heat sink

f) DC bus under voltage & over voltage

g) Control & regulated power supply failure

h) Phase reversal protection

i) Motor winding temperature high

j) Motor On By-Pass

k) By-pass doesn’t close

l) By-pass doesn’t open

5.7.2 Abnormal conditions shall initiate alarm and shut down drive based on the nature of the fault.


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5.8 Metering

a) Digital Speed Indicator.

b) Indicating type Voltmeter

c) Indicating type Ammeter

d) Ammeter located in LCS near motor necessary CT in outgoing side of VFD panel

5.9 Cooling System

5.9.1 Power semiconductor devices shall be mounted on heat sink base which can be individual or

common to a number of devices. Adequate provision for clamping and mounting the power

semiconductors shall be available.

5.9.2 Cooling of power semiconductors can either be natural air cooled or forced air cooled. The

BIDDER shall recommend the type of cooling. The power semiconductors shall preferably be

double side cooled.

5.9.3 Auxiliary power supply for the forced cooling system shall be derived from VFD incoming power.

5.10 EMC, Harmonics, and Filter Systems

5.10.1 The VFD system shall meet local and national standards for radio frequency emissions and

susceptibility.

5.10.2 Vendor shall calculate the total voltage harmonic distortion based on the power system data

provided and the single line diagram for the installation. Particular attention should be paid to

the effect that an increase in voltage harmonic distortion may have on existing electrical

equipment. The maximum total harmonic distortion shall be approved by the Purchaser.

5.10.3 Harmonic current distortion values shall be according to IEEE 519 unless other limits are

specified. In this Specification, the point of common coupling is defined as the first upstream

bus that supplies other loads. Values of total harmonic voltage distortion at the point of common

coupling shall be limited as follows:

a) Individual odd harmonics limited to less than 3 percent.

b) Individual even harmonics limited to less than 1.75 percent.

These values shall include any existing background harmonic levels provided by the Purchaser

and shall be based on the minimum short-circuit level (maximum source impedance). Values of

harmonic voltage as a percentage of fundamental shall be verified by Vendor during site testing

of the VFD.

5.10.4 If a six pulse system has been specified, and harmonic distortion exceeds the limits stated in

Section 7.5, Item 3 of this Specification, Vendor shall provide a budget estimate for a harmonic

filter system required to meet those limits of harmonic distortion and shall offer an option of a

twelve pulse system or other converter designs that reduce harmonic levels.

5.10.5 Vendor may provide a separate quotation to measure the existing harmonic distortion at the

proposed electrical connection point for the VFD system.

5.11 Noise Level

5.11.1 The VFD system shall meet local and national standards for Noise level and susceptibility.


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5.11.2 Noise level shall be limited to 85dBA when measured at one meter from the edge of the VFD

panel.

5.12 Construction:

The controller should have modular construction to facilitate maintenance.

5.12.1 Busbars

Power connections shall be of the bolted type and mating surfaces shall be tinned copper. The bus bars running to various converters shall be suitably designed to ensure equal sharing between the parallel strings and prevent mechanical stress on the fuse.

All bus bars shall be adequately insulated for full circuit voltage by insulating tapes and similar insulating material. All cubicles shall have copper earth buses of adequate size running the entire cubicle height along the sides.

5.12.2 Cubicle

Cubicles housing the power semiconductors and drive level control system shall conform to IP 42 degree of protection to enclosures.

Panels shall be free standing, floor mounting type and shall comprise rigid welded structural frames enclosed completely with cold rolled sheet steel of thickness no less than 2.5 mm for front and rear portions and 2.0 mm for sides, top and bottom portions. There shall be sufficient reinforcement to provide level surfaces, resistance to vibrations and rigidity during transportation and installation.

All doors, removable covers and panels shall be gasketed all round with neoprene gaskets. Ventilating louvers shall have screens and filters. The screens shall be made of either brass or GI wire mesh.

Design, material selection and workmanship shall be such as to result in a neat appearance inside and outside with no welds, rivets or belt heads apparent from outside, with all exterior surfaces true and smooth.

5.13 Tropical Protection

5.13.1 All equipment, accessories and wiring shall have fungus protection, involving special treatment

of insulation and metal against fungus, insects & corrosion.

5.13.2 Screens of corrosion resistant material shall be furnished on all ventilating louvers to prevent the

entrance of insects.

5.14 Painting

5.14.1 All metal surfaces shall be thoroughly cleaned and degreased, pickled and phosphatised.

Thereafter, a coat of phosphate paint and a coat of zinc chromate primer shall be applied. After

removing all imperfections, all metal surfaces shall be sprayed with two coats of final paint as

per colour shade RAL 7032. Final coat shall be of epoxy based. All unpainted parts shall be

plated to prevent corrosion.


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5.15 Quality assurance:

5.15.1 The Manufacturer is expected to demonstrate that he has working Quality Assurance System

which complies with ISO 9001 or may be appropriate to the type of contract and his product.

5.15.2 If the Vendor elects to sub-contract part of the work he shall ensure that only those sub-

contractors or suppliers are used who can demonstrate that they operate Quality Systems based

on ISO 9001 or ISO 9002 as applicable. The Vendor shall give his sub-contractors or suppliers

assistance in attaining the required standard, if necessary. This shall not relieve the Vendor of

his responsibility for the quality of the finished work. The Owner reserves the right to audit the

Vendor’s Quality System.

5.15.3 The Vendor shall assign sufficient full time personnel to the Project to ensure the Quality

Assurance / Quality Control System, documented in a Quality Assurance / Control Manual, is

maintained and kept up-to-date throughout the duration of any purchase order. The Vendor’s

Quality Assurance / Control System shall become an integral part of any Purchase Order.

Vendor shall organize a prefabrication / inspection meeting with the Owner.

5.15.4 Within 3 weeks from the date of Purchase Order the Manufacturer shall submit a “Quality

Assurance Plan” for the review of the Owner.

6 Inspection and testing:

6.1 The responsibility for inspection, certification, etc. of all materials, parts lies with the Vendor.

6.2 The Vendor shall specify all of the inspection and testing requirements in the quality plan which

shall identify the activities requiring the Owner’s approval, review, witnessing etc.

Inspection and testing requirements shall be in accordance with this specification, other All

Equipment shall be inspected for compliances with:

a) Requirement of Owner’s specification & correspondence therefore.

b) Applicable codes, standards and specifications, which shall also include sub- referenced

standards therein.

c) Test and Inspection Plans produced by the vendor.

6.3 Inspectors have the right to request additional inspections or tests to ensure that the equipment

complies with the specification and all relevant codes & standards.

6.4 Manufacturer shall furnish valid Type Test Certificates of similar models along with the offer.

Fresh type tests for the equipment are not needed, provided the Manufacturer can submit

certificates that the equipment complies with all type tests as prescribed by IEC/IS Standard

specifying the test requirements for that equipment.

6.5 The routine tests shall include but not necessarily limited to the following:


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a) Operation under simulated service condition to ensure accuracy of wiring, correctness of

control scheme & proper functioning of the equipment.

b) All wiring and current carrying part shall be given appropriate High Voltage test.

c) Primary current and voltage shall be applied to all instrument transformers.

d) Routine test shall be carried out on all equipment such as circuit breakers, instrument

transformers, relays, meters etc.

6.6 Routine tests on the equipment shall be carried out as per the relevant IS/IEC. Equipment

offered for final inspection shall be complete and ready for shipment, with the possible exception

of the final paint finish.

6.7 Routine Test certificates to be submitted for Equipment and its all auxiliaries. Type test

certificate of similar equipment shall be submitted.

6.8 Vendor to furnish required copies of test certificates, Ref Documents, Drawings, and Instruction

Manuals before Equipment are dispatched.

6.9 Factory acceptance test (FAT) is required to be done at no extra cost to the Client. The Client or

his representative shall be advised of the tentative date for FAT at least 3 weeks in advance

prior to the test date.

6.10 Any defects found by the TPI or the Owner’s appointed Inspector shall be rectified in his

presence. Where this is not possible or practical, check lists shall be prepared and signed by the

Third Party Inspector stating all “pending items”. Copies of these lists shall be sent to the Owner

to enable their subsequent checking. The equipment shall not leave the Vendor factory before all

defects have been rectified and without the written permission of the Owner.

6.11 All spare parts shall be subjected to the same inspection standards and full material certification

as the main order.

6.12 The equipment shall not leave the Vendor / Sub-Vendor’s factory before all discovered defects

have been rectified and without the written permission of the Owner/Client.

6.13 Any acceptance or release of equipment following an inspection or test activity shall in no way

relieve the Vendor of his contractual responsibility to provide guarantees as to the suitability of

the materials, workmanship and performance of the equipment in accordance with this

Specification.

6.14 Owner/Consultant reserves the right to waive the inspection at any stage. Inspection shall be

carried out only on receipt of Vendor's internal test report of the equipment offered and scrutiny

of the same. In the event, on receipt of inspection call, the Owner/Consultant’s representative

reaches the Vendor's works and finds the material not ready for inspection/incomplete/has short

supply, the inspector will return to his base station and all expenses incurred by the inspector

including to and from travelling expenses from his base station to place of inspection, boarding

and lodging etc shall be reimbursed by Vendor.

7 Vendor documentation:

7.1 All information listed here is to be furnished along with the offer as a minimum.


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a) Clause wise comments / deviations on specification in `Table of Compliance’ [enclosed

Appendix A]. If not furnished, compliance to all requirements in specifications will be

binding on the Vendor.

b) Duly filled up Guaranteed Technical Particulars

c) List of components & accessories with Makes

d) List of recommended spares for two years normal operation with itemised rates

e) Type test certificates

f) Technical Catalogues and brochures of major Components

g) List of clientele for similar equipment in last 5 years

h) Complete list of special tools (if required)

i) Documents as per RED.

7.2 The Manufacturer shall furnish the drawings and documents as per enclosed Requisition for

Engineering Documents - RED Form [Appendix-D].

7.3 The Owner/Consultant will review drawings submitted by Vendor & return to the Vendor one

copy of drawings with comments to carry out necessary changes, if any, during the engineering /

manufacturing stage.

7.4 The documents required by the Third Party Inspection Agency are not covered under this

specification. The Vendor shall provide all the drawings and documents required by the Third

Party Inspection agency in compliance with the applicable codes and standards.

8 Spares and special tools:

8.1 Spares

The Manufacturer shall furnish list of spares and provide all necessary spares for testing, pre-

commissioning, commissioning. Any of the spares if used during testing/commissioning must be

replenished at no extra cost to the Client.

The Manufacturer shall also provide all consumables required during erection up to commissioning.

In addition to above, Manufacturer shall quote separately for Spares required for two years of operation.

8.2 Special tools

The Manufacturer shall include any special tools, which are required for the installation, commissioning,

operation and maintenance of the equipment being supplied. A list of special tools shall be supplied along

with the offer

9 Installation and commissioning:

Vendor shall dispatch Installation and Commissioning instructions at least 2 weeks before the arrival of the

equipment.


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Vendor shall provide qualified personnel to supervise the installation and carryout site testing and

commissioning of all equipment supplied under this contract. Prices for these services shall be given

separately.

10 Packing and transportation:

Packing, shipping and delivery of equipment at site and unloading requirements shall be as per relevant

Standard. Vendor to submit the procedure & all the relevant necessary datas / informations along with

offer.

Preparation of the skids for shipment is a crucial step in the completion of this contract. The Vendor must

take in to consideration that all equipment and the skid itself shall be prepared for land transportation.

11 Statutory Approval:

The Equipment supplied shall be acceptable to local Electrical Inspectorate and changes required, if any,

shall be carried out by the vendor without any extra cost.

12 Guarantee:

Equipment shall be guaranteed to meet the specified performance at specified conditions in terms of

power, air flow, thermal performance, design conditions etc.

Equipment and its components shall be guaranteed against faulty design, defective / improper materials

poor workmanship or failure from normal use during the guarantee period.

Vendor shall make all necessary and desirable alterations, repairs and replacement free of charge in the

even of mal performance or defects occurring in the equipment during guarantee period.

Also refer to guarantee clause under Purchase Order.


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Appendix-A: Table of Compliance.

The Vendor shall confirm that clauses of the specification have been complied with/accepted or further clarifications are desired, or Vendor has taken a deviation with reason thereto.

CLIENT :

M/s. Hindustan Petroleum Corporation Ltd

LPG Bottling Plant project at Bhatinda.

VENDOR REF.

Spec. Clause No.

Conforms Yes/No

Alternative Yes/No

Clarification

1

2

2.1

2.2

2.3

3

3.1

3.2

3.3

4

4.1

4.2

5

5.1

5.2

5.3

5.4

5.5

5.6

5.7

5.8

5.9

5.10


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CLIENT :

M/s. Hindustan Petroleum Corporation Ltd

LPG Bottling Plant project at Bhatinda.

VENDOR REF.

Spec. Clause No.

Conforms Yes/No

Alternative Yes/No

Clarification

5.11

5.12

5.13

5.14

5.15

6

7

8

8.1

8.2

9

10

11

12

Appendix A:

Appendix B:

Appendix C:

Appendix D:


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Appendix-B: Electrical System Data

1.0System Voltages

Nominal system voltage 11 KV 0.415kV

Highest system voltage 12 KV 440 V

Frequency 50 Hz 50 Hz

Lightning Impulse withstand voltage 75 KV (peak) --

Power frequency withstand voltage for 1

minute 28 KV (rms) 2 KV (rms)

2.0Supply variations

System voltage 11 KV 0.415 kV

Steady state voltage ± 10 % ± 5 %

Steady state frequency ± 3 % ± 3 %

Combined Voltage Frequency ± 10 % ± 5 %

System fault level at rated voltage 31.5 KA for 3s 50 KA for 1s

System Earthing Resistance Earthed Solidly Earthed

3.0Control Supply for Electrical System

HV Circuit Breakers for Incomer feeders Voltage ( in Volts)

Spring Charging Motors : 110V DC

Closing Circuit : 110V DC

Trip Coil : 110V DC

Alarm : 110V DC

Indication : 110V DC


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Relay Auxiliary Supply : 110V DC

Heaters in Panels : 240V AC, SPN

LV Air Circuit Breakers (Applicable for Incomers & Bus coupler as applicable)

Spring Charging Motors : 240V AC, SPN

Closing Circuit : 110V DC

Trip Coil : 110V DC

Alarm : 110V DC

Indication : 110V DC

Relay Auxiliary Supply : 110V DC

Heaters in Panels : 240V AC, SPN

LV Motor Starters (Contactor controlled)

Control Voltage : 110V AC, SPN derived through control

transformer.

Indications 110V AC, SPN

Space Heater Circuit : 240V AC, SPN ( From MLDB Bus)

Indications

PMCC/BPMCC : 110V AC, SPN

Local Control Panel : 110V AC, SPN


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Appendix-C: Codes & Standards.

IS: 5921 : Specification for metal clad base materials for printed circuits

for use in electronic and telecommunication equipment.

IS: 6297 : Specification of Transformers and Inductors (Power, Audio,

Pulse and Switching) for Electronic Equipment

IS: 6619 : Semiconductor rectifier equipment safety code for

IS: 7504 : Specification for printed wiring Board

IEEE: 446 : Recommended practice for emergency and standby power

systems for industrial and commercial application.

IS: 3700 IEC: 60146 :

Semiconductor devices

IS: 9000 : Basic climate for mechanical durability tests for electronic

components

IS: 5921 : Specification for metal-clad base materials for printed circuits

for use in electronic and communication

equipment

IS: 6297 : Specification for transformers and inductors (Power audio pulse

and switching) for electronic equipment

IS: 7405 : Specification for printed wiring board

IS: 2147 : Degree of protection provided by enclosures for low voltage

switch-gears and control gears

IS: 6553 : Environmental requirements of semiconductor devices and

integrated circuits

IS: 9676 :

Ambient temp. of electronic equipment

IS: 9000 :

Environmental tests for electronic equipment

IS: 4007 :

Terminal for electronic equipment

IS: 3695 BS: 4417 IEC:

148

: Semiconductor rectifier assemblies and THYRISTOR

CONVERTERS

IEC: 60146 : Semiconductor Converters

IS: 13947 : Low-voltage

switchgear & control gear – General Rules

IEC:61800 : Adjustable speed electrical power drive systems


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Appendix-D: Requisition for Engineering Documents

RED Form

Owner/Client’s Office Distribution Office

Hindustan Petroleum Corporation Ltd

8 S.V. Marg, Ballard Estate

Mumbai- 400 001

Mott MacDonald Consultants (India) Pvt. Ltd.

Kothari House, CTS No. 185

Off Andheri - Kurla Road

Andheri (East)

Mumbai 400 059

SPECIAL INSTRUCTIONS Prints Documents shall be sent to:

Production Schedule 4 The Purchasing Office via courier service

Manufacturing, inspection & testing sequence plan 4 The Purchasing Office via courier service

DRAWINGS Required number for TIMING FOR SUBMITTAL

OFFER

APPROVAL

FINAL - for approval 2 weeks after order date

Approval drawings / Final drawings to be submitted under cover of an ADS form / FDS form respectively

Prints Prints Disk Prints - final issue 2 weeks after approval date

Documents shall be submitted to:

Submission of Following, but not limited to:

Guaranteed Technical Particulars 2 4 2 4

General Arrangement Drawing showing masses, main dimensions

2 4 2 4

Cross section details showing arrangement of auxiliary components, etc.

- 4 2 4

Foundation Plan & Loading details 2 4 2 4

Single line diagram, - 4 2 4

Block Logic, Schematic & Connection Diagrams

- 4 2 4

Bill of Material - 4 2 4

Make of Each Components 2 4 2 4

Type Test, Routine Test Certificates 2 4 2 4

Spares List for two Years Operation 2 4 2 4

As Built Drawing - 4 2 4 Purchasing Office via courier service

SPARE PARTS DOCUMENTS 2 4

ESPIR forms including 1 transparency

TEST AND INSPECTION DOCUMENTS Prints

Documents to be submitted under transmittal Documents shall be submitted to:

Manufacturing report 1 4

Test Report / Data Curves 1 4

Calibration Certificates for testing Instruments. 1 4

Bought out Equipments Certificates. 1 4 Purchasing Office via courier service within 4 weeks

of relevant test / inspection.


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OPERATING DOCUMENTS Purchasing Office via courier service not later than at time of dispatch of equipment.

Installation instructions 1 4

Operating instructions 1 4 Combine into one manual

Maintenance instructions 1 4

ADDITIONAL REQUIREMENTS

1. Referenced standards / codes shall be the latest issue unless otherwise stated.

REMARKS

Invoice must certify that the drawings and engineering documents specified above have been dispatched to all parties concerned.

Any deviation from the timing for submittal of documents shall be notified to the Approval / Distribution Offices by fax or E mail.

Shop fabrication shall not be started before the required approval drawings have been released for construction by the party concerned, unless otherwise stated on the "Approval Drawing Specification".

Each document shall bear the item / tag and order reference number and be dispatched by air mail, unless other instructions are stated on the RED.

Units / dimensions to be used on Engineering documents shall be SI.

The documents shall be in English. Description on drawings and similar documents may be in other languages provided English translations are also given.

Drawings and documents shall be suitable for microfilming and comply with accepted national or international standards for the preparation of technical drawings. Only the following standard sizes should be used: A4, A3, A2, and A1.


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Appendix-E: Guaranteed Technical Particulars for Variable Frequency Drive (* To be filled in by the Manufacturer for each VFD)

1. VFD for [Motor Details]

Tag No., Description, KW Rating : *

2. Manufacturer : *

3. Model No. : *

4. Reference standard : *

5. Quantity : *

6. Type of Solid state VFD : 6/12 pulse PWM

7. Rated Input Voltage : 415V

8. Rated Voltage Output : * V

9. VFD Rating : * KVA

10. Frequency Range : * Hz

11. Type of Load : 415V, Three phase AC Induction motor

12. Starting capacity at maximum rated full load current Ir

: * times Ir for * sec.

13. Allowable no. of starts per hour : *

14. Overload capacity & duration : *

15 Selectable Overload Class range : *

16. Selectable Start/stop mode : Voltage / Torque ramp

17. Selectable range of Start Ramp : *

18. Selectable range of Stop Ramp : *

19. Control Type : *

20. Selectable Torque limit range : *

21. Breakaway Torque : *

22. Induced torque pulsation : *

23. Control of VFD with field bus : *

24. Power circuit continuous Rating [SCRS] : * A

25. SCR peak inverse voltage : * V

26. SCR protection fuse rating : * A

27. Line to line dv/dt at motor terminal : * V/microsec

28. Effective Power Factor of the System : *

29. Complete System Efficiency : *


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30. Speed Regulation : *

31. Speed Set Point Resolution : *

32. Control speed range : *

33. Transient voltage protection : *

34. Type of Cooling : *

35. Degree of Protection : *

36. Harmonics Compliance with IEEE 519 Total Harmonic Distortion (THD) Max. total harmonic current distortion at PCC

: : :

* * *

37. Noise Level : *

38. Interface provided as per Specification : YES/NO

39. Metering provided as per Specification : YES/NO

40. Annunciations provided as per Specification : YES/NO

41. Protection provided as per Specification : YES/NO

42. Incomer section CB rating & duty Contactor rating & duty

• Input

• Output

• By-pass

: :

* *

43. Temperature Scanner for Motor winding RTD & bearing RTD provided

: YES/NO

44. Control power transformer rating : *

45. Overall dimensions of VFD : *

46. Overall Weight : *

47. Type of Mounting Floor

48. Heat load : *

49. Requirement of Air-conditioning : YES/NO

50. Life Expectancy : *