page 1 of 2301.12.2014introduction mr pq in israeliii israel/ dec. 4 st 2014 maschinenfabrik...

of 2301.12.2014Introduction MR PQ in Israel I I I

Israel/ Dec. 4st 2014

Maschinenfabrik Reinhausen Germany

Power Quality

Power Quality and Reliability

Dr.-Ing. Mike Ifland / MR PQ Germany


Agenda

I MR – Introduction

I MR PQ – Fields of activity

I Maschinenfabrik Reinhausen – Power Quality Solutions

I Project Example – Harmonic Filter System

I Summary


1. MR – Introduction 1.1 Our worldwide clients / Your market opportunities

> 80 % of all our products ever delivered are still in operation today

> 50 % of worldwide electricity consumption passes through a MR product

Maschinenfabrik Reinhausen GmbH (parent company)

I Founded in 1868, MR trademark since 1901

I Majority family ownership in fifth generation

I World market leader in transformer switching

I 3.160 employees in MR and 26 affiliated companies (35 sites)

I 82 % of employees in Germany, 90 % export business

I Group turnover of 650 million EUR, highest available rating (banks)


1. MR – Introduction 1.2 Fields of activity

No transformers without a MR productMarketing of proprietary technologies

Increasing corporate value in global niches of electrical power engineering while preserving our independence

VALUE FACTURINGDecision Support

for Manufacturing Excellence

TRANSFORMER CONTROLControl of

Power Transformers

POWER COMPOSITESComposite Materials and

Insulators

MESSKO INSTRUMENTSEquipment Control and

Assessment

POWER QUALITYSolutions

at Grid Nodes

HIGHVOLT TESTINGTesting and

Measurement Technologies

Preferred system integrator

Task

l Integration of Shop Floor Data Models into ERP

l Optimization of Automated Manufacturing Processes

l Filters and Reactive Power Compensation

l Power Flow Control in Distribution Networks

l Shop Floor Testing Systems for Grid Components

l Mobile HV / MV Systems for On-Site Testing

l Mechanical & Electrical Endurance by GFRP

l Composite Insulators for HV / MV Equipment

l Sensors, Accessories, Oil Analytic Laboratory and Secondary Brands

l Process Measuring and Control Technologies for Industry Applications

Rang

eVi

sion

Goa

lBr

and

l Actuators, Electronics and Data Management

l Transformer Services

Prod

ucts


I Chemical industry

I Cement industry

I Pulp & Paper

I Windfarms

I Power plants

I Steel industry

I Utilities

I Mining

I Oil & Gas

I Railway

1. PQ – Fields of activity 1.1 Target industries / customers

http://www.looking-glass-animations.co.uk/21_oil_and_gas.htm


1. PQ – Fields of activity 1.2 Different clients facing different power quality problems

I Chemical industry

I Cement industry

I Pulp & Paper

I Windfarms

I Power plants

I Steel industry

I Utilities

I Mining

I Oil & Gas

I Railway

UnbalanceVoltage/Current

Voltage variation

Harmonics

Transients

Reactive power

Voltage drops

Flicker

I Switching eventsI Athmospheric overvoltage I Transient currents/voltages

I Phase shifting voltage/currentI Leading (capacitive)I Lagging (inductive)

I Caused by powerful singlephase loads

I Caused by harmonic sourceslike converter drives, furnaces, millions of switched mode power supply units.…

I Evaluation will distinguish harmonic voltage/current

I Commutating effectsI Start of huge motor drives

I Caused by powerful welding machines, presses

I Other fluctuating and repeating loads

I Caused by long-term load fluctuations

Turn key solutions provided by



1. PQ – Fields of activity 1.3 Power Quality problems electrical equipment

I Chemical industry

I Cement industry

I Pulp & Paper

I Windfarms

I Power plants

I Steel industry

I Utilities

I Mining

I Oil & Gas

I Railway

Turn key solutions provided by

Harmonic distortions – Effects

on the network

Malfunction of protection and control devices

Additional losses : - life span reduction

- destruction of equipment

Malfunction of ripple control

devices



1. PQ – Fields of activity 1.4 The solution circle

I Customized solutions Taking care of specific problems


2. MR Power quality solutions 2.2 Metal encapsulated Indoor Equipment (Harmonic filters)

Harmonics

I Harmonic filter system for indoor application / POCOS

Harm. Filter238 Hz

1600 kvar

SM

VSD 22 MW4800 rpm

110/10 kV31.5 MVA

10.5 %

10 kV 50 Hz 3 ~

Harm. Filter345 Hz

1000 kvar

Harm. Filter575 Hz

2400 kvar

Harm. Filter575 Hz

2400 kvar

Harm. Filter575 Hz

2400 kvar

Harm. Filter238 Hz

1600 kvar

SM

VSD 22 MW4800 rpm

110/10 kV31.5 MVA

10.5 %

10 kV 50 Hz 3 ~

Harm. Filter345 Hz

1000 kvar

Harm. Filter575 Hz

2400 kvar

Harm. Filter575 Hz

2400 kvar

Harm. Filter575 Hz

2400 kvar

110 kV 50 Hz 3 ~

Overhead line3 km

Overhead line20 km

SCC 498 MVASCC 1082 MVA

MAIN POWER STANDBY POWER

SCC 186 MVASCC 235 MVA

• 2 x 22 MW compressor drive with 12- pulse LCI converter

• 10 kV 5 steps with total power 9.8 Mvar

• HF05 (1.6 Mvar) / HF07 (1.0 Mvar) / HF 11 (3 x 2,4 Mvar)


2. Power Quality Solutions 2.3 GRIDCON ® Modules and Stations (general overview)


BMW-Brilliance-Automotive Shenyang – China:

I Tuned passive filter, designed for max. 660 A (inductive / reactive power compensation)

I One active filter (500 A): similar effect, lower losses and smaller size

2. Power Quality Solutions 2.4 Low Voltage Developments


2. Power Quality Solutions 2.5 AcF – Working principle

GRIDCON AcF:service optimized, modular concept with 4 modules per cabinet

Working principle of Active Filters:


+10 %

+5 %

0 %

-5 %

-10 %

Dev

iatio

n fr

om ra

ted

volta

ge (i

n %

)

Medium voltage grid

Secondarysubstation Low voltage grid

Maximumfeed-in case

Maximumload case

Higher voltage

due to more feed-in

Regulation„downwards“

Regulation„upwards“

20 kV 0.4 kV 0.4 kV20 kV

Lower voltage due to

e-mobility and heat pumps

Outside of allowed voltage band

Outside of allowed voltage band

2. Power Quality Solutions 2.6 GRIDCON ® Transformer


LV gridSubstation

Controller

PV

=3~

PV

=3~

PV

=3~

G

V

Sensor

abgesetzteSpannungsmessung

Actuator

MV grid

Transformer1

Voltage regulator3

On-load tap-changer2

2. Power Quality Solutions 2.7 GRIDCON ® Transformer - Setup


3. Project example – harmonic filter system3.1 Requested compensation system

22.9 kV 13 Mvar360 Hz

22.9 kV / 60 Hz / Busbar A

Scope of supply

22.9 kV 10 Mvar60 Hz

Filter 5th Non-tunedcapacitor bank

22.9 kV 13 Mvar360 Hz

22.9 kV / 60 Hz / Busbar B

Scope of supply

22.9 kV 10 Mvar60 Hz

Filter 5th Non-tunedcapacitor bank


3. Project example – harmonic filter system3.2 First calculation – with specified compensation systems

• 220 kV frequency sweep of substation „Mina Constancia“

• 22.9 kV frequency sweep of substation „Mina Constancia“

• parallel resonance effects in the range of 11th harmonic

• higher harmonic range strongly damped

• impact of generated harmonics of 18/24-pulse converter are negligible

I 11th harmonic


3. Project example – harmonic filter system3.3 Harmonic predistortion 220 kV / specified compensation system

I Histogramm 220 kV

I 5th 1.2%I 7th 0.6%I 11th 3.0%I 13th 1.5%

I 11th harmonic

I Histogramm 22.9 kV

I Voltage 22.9 kV

I 5th 0.13%I 7th 0.52%I 11th

8.40% !!I 13th 1.67%


22.9 kV 13 Mvar300 Hz

22.9 kV / 60 Hz / Busbar A

Scope of supply

Filter 5th High-Passfiltertuned to 11th/13th

22.9 kV 13 Mvar300 Hz

22.9 kV / 60 Hz / Busbar B

Scope of supply

Filter 5th

22.9 kV 10 MvarHP 10 Ohm / 750 Hz

22.9 kV 10 MvarHP 10 Ohm / 750 Hz

High-Passfiltertuned to 11th/13th

3. Project example – harmonic filter system3.4 Design review of requested compensation system


3. Project example – harmonic filter system3.5 Calculation – with changed design of compensation/harmonic filter systems

• 220 kV frequency sweep of substation „Mina Constancia“

• 22.9 kV frequency sweep of substation „Mina Constancia“

• decrease of impedance in the range of 11th harmonic by factor 4

I 11th harmonic


3. Project example – harmonic filter system3.6 Calculation results– with changed design of compensation/harmonic filter systems

• Histogram voltage harmonics 22.9 kV

I 5th 0.12%I 7th 0.61%I 11th 1.13%I 13th 0.35%I 17th 0.03%I 19th 0.02%

• Voltage 22.9 kV

Order harmonics(voltage)

IEC 61000-2-4class 2

Specified System

Recommended System

5 6.0 0.13 0.12

7 5.0 0.52 0.61

11 3.5 8.40 1.13

13 1.5 1.67 0.35

17 1.2 0.03 0.03

19 1.1 0.02 0.02

23 0.9 0.04 0.03

25 0.8 0.03 0.03


4. MR PQ - Summary

Encapsulated Indoor Equipment•GRIDCON® POCOM, POCOS, POCOL

•custom biult compensation systems with a high degree of standardization

Encapsulated Outdoor Equipment•GRIDCON® Module F,M,C,E

•Applicable as Fixed, Multiple, Concrete, E-House

Dynamic Equipment•customized applications for compensation and filtering of

harmonics•high flexibility in terms of configuration and arrangement

IP00 (Indoor / Outdoor)•Filters with high voltages (<20 kV) and great power output (>10

Mvar) for utilities and industrial applications

Voltage Regulated Distribution Transformer (VRDT)•preventing voltage band violations in both MV and LV networks

•transfer of proven HV technology into MV/LV grids


Backup


4. Project example – harmonic filter system4.1 Electrical data

I 220 kV Main feeder

I 22.9 kV 60 Hz Busbar B

I Capacitorbanks(2 x 23 Mvar)

I Sk“min 1248 MVA

I Liquid cooled resistor starters (Ball Mill /SAG Mill)(2 x 32MVA)

I 24-pulse perfect harmonic converter drives

(11 MVA)

I 18-pulse perfect harmonic converter drives

(1.5 MVA)

I 22.9 kV 60 Hz Busbar A

I Sk“min 648 MVA

I Transformer 75/125 MVAI Transformer 75/125 MVA


2. MR Power quality solutions 2.3 Metal encapsulated Indoor Equipment (Inrush limiting resistors)

MV network behavior during energization of large harmonic filters or converter- / distribution/transmission transformers

Transients


2. MR Power quality solutions 2.4 Metal encapsulated Indoor Equipment (Load symmetration units)


R

X

Load

Load

12U

U23 U31

RA

BR

CR

1I

2I

3I

C1

C2

L1

Customer equipment: Powerful single phase loads

Solution: „Steinmetz-Scheme“

Capacitors/ Reactors with tappings

I C1 & L1 for load symmetration

I C2 for reactive power compensation


R

X

Load

Load

12U

U23 U31

RA

BR

CR

1I

2I

3I

C1

C2

L1

2. MR Power quality solutions 2.4 Metal encapsulated Indoor Equipment (Load symmetration units)


I C1 with tappings

I L1 with tappings

page 1 of 2301.12.2014introduction mr pq in israeliii israel/ dec. 4 st 2014 maschinenfabrik...

Documents

introduction mr pq

mr trademark

mike ifland mr pq germany

control technologies

israeliii israel

measurement technologies

different clients

worldwide clients