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EMT CO., LTD 0 Contact JOO HYUN HAN, Tel.82.31.491.8488, M.p 010.5286.3322 [email protected] , [email protected]


Company History

Apr. 1965 : Founded by the name of Shin-A Electronic Enterprise at Jangsa-dong, Seoul and started manufacturing various switches,

breakers and protective devices. Dec. 1970 : Changed the name of the company to Shin-A Electronic IND. Co., Ltd. Jan. 1976 : Signed technical license agreement with Togami Electric Manufacturing Co., Ltd. Japan for manufacturing Automatic oil

breaker with pole grounding and protection against overload.

Sep. 1980 : Factory moved to Banwol Industrial Complex in Ansan City. May. 1982 : Signed technical license agreement with Otowa Electric Co., Ltd. Japan for manufacturing Lightning Arrester for 18kV

and 9kV. Aug. 1983 : Nominated as promising of modernization of small & medium enterprises by Small & Medium Enterprises Promotion

Corporation. Feb. 1984 : Approved plan for implementation of modernization of small & medium enterprises by Small & Medium Enterprises

Promotion Corporation. Dec. 1984 : Acquired patent right of Auto Section Switch for 25.8kV distribution line from Government. Aug. 1985 : Signed technical license agreement with Togami Electric Manufacturing Co., Ltd. Japan for manufacturing SF6 gas load

break switch. Feb. 1986 : Acquired patent right of Arc chamber mechanism of Air Break Switch. Dec. 1989 : Signed technical license agreement with Osaka Fuse Co., Ltd. Japan for manufacturing low voltage fuse. Jul. 1990 : Acquired patent right of Pressure sensor mechanism of SF6 gas load break switch. Jul. 1990 : Acquired patent right of Driving arm mechanism of SF6 gas load break switch. Apr. 1991 : Signed technical license agreement with ABB Company, USA for manufacturing Self-diagnostics automatic circuit

breaker. May. 1992 : Signed technical license agreement with Otowa Electric Co., Ltd. Japan for manufacturing Surge Shelter. Nov. 1993 : Signed technical license agreement with G&W electronic Company, USA for manufacturing Gas insulation load switch

for ground. Aug. 1993 : Signed technical license agreement with Raychem GmbH, USA for manufacturing 21kV and 10kV polymeric Lightning

Arresters. Jun. 1995 : ISO 9001 certified by Det Norske Veritas, Netherlands. Jul. 1996 : Signed technical transfer agreement with Feuchtwanger Industries(1994)Ltd. in Israel for SF6 load break switch.(GSS-M)

May 2000 : Changed the name of EMT Co., Ltd. ( All Technology & Manufacturing Facilities are occupied from “SHIN-A Co.,Ltd.”

May 2006 : Development of AMR ( Automatic Meter Reading ) System based on PLC Technology by R&D Project of Government

Dec. 2009 : Development of SCADA system

Nov. 2014 : Development of SFI system

Award Record

Aug. 1972 : Won a prize as an excellent company in the field of science and technology (from the president of Korea) Sep. 1981 : Won a prize as an exemplary company of cooperation between labor and management (from the Minister of Ministry of

Labor Affairs) Apr. 1983 : Won a prize of bronze tower for industrial merits (from the president of Korea) Aug. 1984 : Won a prize of silver tower for industrial merits (from the president of Korea) Nov. 1985 : Won a prize of silver tower of merits as a distinguished service company in the science and technology field (from the

Minister of Ministry of science and technology) Jul. 1986 : Won a prize as a distinguished service company of an industrial disaster-prevention (from the president of Korea) Apr. 1989 : Won a prize as a distinguished service company in the electric field (from the president of Korea) Apr. 1992 : Won a medal of merits as a distinguished service company in the field of electric and electronic industry (from the

president of Korea) Sep. 1992 : Won a prize of golden tower as a distinguished service company an industrial disaster-prevention (from the Minister of

Ministry of Labor Affairs) Apr. 1995 : Won a prize of tower of merits as a most distinguished service company in the electric industrial promoting competition

(from Korea Electrical Manufacturing Association) Jan. 1997 : Named as the top-ranked company of cooperation between labor and management (from the Minister of Ministry of

Labor Affairs) Oct. 1999 : Won a golden prize for Labor Union (from the Minister of Ministry of Labor Affairs)

Contact JOO HYUN HAN, Tel.82.31.491.8488, M.p 010.5286.3322 [email protected] , [email protected]


Minimize Power Loss Solution

Minimize SAIDI, SAIFI Solution

Maximize Effect as Economical Investment

Power Loss Analysis System Real Time Detecting & Down Load for All Metering Data Real Time Calculation of Power Loss Abnormal usage Event Message to Registered Mobile Phone (Option)

AMR system with Mechanical Meter, Electronic Meter AMR system with Mechanical, Electronic, Semi-Electronic Meter Real Time Calculation of Power Loss with AMR Abnormal usage Event Message to Registered Mobile Phone (Option) Retrofit Existing Mechanical Meter for AMR system

High Voltage Customer AMR system

New Distribution Scheme with Re.FAI All in One Function for LBS / SECTIONALIZER / RECLOSER by Re.FAI Phase / Ground Fault / *SEF Relay / Reclosing Protective Relay Included Smart Function application as Low Cost ( Option ) Re. FAI trip & Close > Real Time SMS event Message Sending to Registered Mobile Remotely ON/OFF control by Mobile Phone 3e. DAS (SCADA) system operation ( Protocol : DNP 3.0, IEC 101, ERTU-09A1 )

Smart Fault Indicator System Fault Current Passage Indication [SFI, SFI(1), SFI (2)] Transient fault, Permanent Fault Different Indication Real time Monitoring Fault Trigger Signal by Registered Mobile Phone [SFI(1) Model] 3e. DAS (SCADA) system Operation [SFI (2) Model ] Protocol : DNP 3.0, IEC 101, ERTU-09A1

TMS ( Smart Transformer Management System) Over Load (* Temperature) Event Monitoring by Mobile Phone Current, Temperature Remotely Monitoring by SCADA system

Smart CVT ( Current Voltage Combined Transformer ) High Voltage Customer Smart Metering Device

Phasing Tracer Phase Balance Management for Checking Phase Customer Connection

Renovate Existing Distribution System


RF Modem Communication

Secondary Main Meter & DCU

Local Area Networks

(AMI connect using networks for the future)

PLC Communication

Consumer 1 Consumer 2 Consumer 3

Specific Applicable Functions with Hybrid-AMI system

v Power Theft warning by mobile phone

v Real Time Power Loss Calculation

v Real Time Meter Reading for Each transformer by Lap Top Computer

v Reuse Existing Meter for H-AMI System

Power Loss Warning System


• Mechanical Meter ( with Pulse Sensor ) • Digital Pulse Meter ( Register Type ) • Digital Pulse Meter ( LCD Type) )

Kwh Meter & Pulse Sensor

• PLC Modem integrated in Pulse meter • Separately Installed Modem , Pulse Input • Program ID, Channel no., Pulse Constant • Widow value

PLC Modem / Handheld Prog.

• Metering Data Collecting and Memory • PLC modem, RF modem Integrated • Data Sending to Upstream System

DCU & CCU

• Metering Data Download • Power Loss Analysis • Automatic Meter Reading

Laptop Computer & Software

Calculation Power Loss, or KW

L (%) = (Ts – T0) / Ts x 100

D C U Ts, T0 = ∑ (Tr1 ~ Trn)

L , or P ? ≥ L, P

Smart DEVICE

Ts : Secondary Main Meter ( KW, KWH )

GSM

Network SMS Message to Mobile Phone in case of

abnormal usage (Option)

All customer Kwh Reading Data Tr1 ~ Trn Data

Download All metering Data & Power Loss

by Lap Top Computer from DCU

Any Type Meter Applicable

System Devices & Configuration


15/24/35kV

i. LBS (intelligent Load Break Switch)

( Mobile Phone Control / SCADA control )

EMT CO., LTD. TEL +82 31 491 8488 FAX +82 31 491 8428

[email protected]


Description unit FAI-1 FAI-2 FAI-3

Rated Maximum Voltage Kv rms 15 27 38

Rated Current A rms 400/630 400/630 400/630

Rated Frequency Hz 50/60 50/60 50/60

Short Circuit Interrupting KA 1000A 4.0/12.5KA

1000A 4.0/12.5KA

1000A 4.0/12.5KA

Power frequency withstand voltage

Dry KV 50 60 70

Wet KV 45 50 60

Impulse withstand voltage

KV 110 150 170

Mechanical Endurance times 5000 (*10,000)

5000 (*10,000)

5000 (*10,000)

FAI Trip & Reclosing Lock Out

GSM

Network

Event report immediately

To registered Mobile Phone

[ How to Program Reclosing Sequence ]

Setting of Current & Time as follow step

Reclosing Count on Fault ( Lock Fault ) : Programmable 0 ~ 5 ( Default : 3)

Reclosing Time Interval on Phase & Ground Fault : Programmable 1~240 sec. on each count

Closing Relay ON time : Programmable 0.1 ~ 9.9 sec.

Reclosing Sequence on Lock Fault Trip (Programmed)

Integrated IDMT curve

Application with SCADA system

Specification


Smart Fault Indicator System

( Model : SFI(G),SFI(1),SFI(2), SFI (12) )

EMT CO., LTD. TEL +82 31 491 8488 FAX +82 31 491 8428

[email protected]


Smart FI Specification

Rating Voltage : 3 ~ 75 KV

Rating current : up to 1000 A

Rating Frequency : 50 / 60 Hz

Fault Detection : Phase to Phase Fault, and Phase to Earth Fault

Fault current pick up ; Automatic set of Fault Triggering Pick up Current

Inrush Restrain Our specific Algorithm integrated

Different Flashing Indication between Transient Fault and Permanent Fault

White Led Flashing ( Transient Fault )

Red Led Flashing ( Permanent Fault )

White Led short Interval Flashing for Reclosing Progressing

Flashing Indication Signal time ; ½, 1, 2, 4, 8,(16) hour

Automatic Reset Function & Manual reset Function

Indication Test function for Transient Fault , Permanent fault, Reset Indication

Low Battery Indication : Green Led Indication

Self power Charging Device integrated : DC 3.7 V

SFI (1) Model : Remotely Monitoring of Fault Trigger Signal

by Mobile Phone in GSM network ( RF, CDMA network )

SFI (2) Model : Remotely Monitoring of Load Current, & Fault Trigger Signal

Operation in SCADA System with RF, GSM, GPRS,(Fiber optic) network

Communication protocol : DNP 3.0, IEC 101, 104, Mod bus , others

Live Line Mounting and Dismounting on Hot Line by hot stick

FI trigger SMS Message Receive ( Example )

Up to 5 Registered Mobile Phone can receive FI Trigger message

Smart Fault Indicator Specification


Patent Number : 10-2016-0070825


STMS & SVMS System

* Smart Transformer Monitoring System

* Smart High, Low Voltage Monitoring

EMT CO., LTD. TEL +82 31 491 8488 FAX +82 31 491 8428

[email protected]

Transformer Monitoring

*V,I,P,Q, Kwh, Kvarh, P.F.

Single phase

(Voltage Monitoring)


SF6 Gas Load Break Switch (Manual Type)

EMT’s GSS, which is operated electrically through remote controller and manually, is used for load breaking of overhead distribution lines. This is very compact owing to the introduction of simple extinguishing mechanism ensured by the high insulation and superior interrupting characteristics of SF6 Gas. EMT’s GSS has been tested by IEC60265-1, ANSI37.41, KSC4509, JIS C4304 and has acquired the ISO-9001 as International quality system certification.

SF6 Gas Load Break Switch (Remote Controlled Type)

•Rated voltage : 15/25/36 kV •Rated frequency : 50/60Hz •Rated current : 200/400 /600 A •Rated short-time current : 12.5kA •Rated making current : 32.5kA •Impulse withstand voltage(BIL) : 110/150/170kV

EMT’s AGSS can be manually operated and remotely controlled with SCADA system. 3 CT for Current sensing are integrated and fault current detecting system is available with fault indicator. .Also, Voltage sensor shall be available to install for voltage indication. If our RTU is connected to controller, then AGSS is Ready for SCADA system in GSM/CDMA/GPRS network. Tested by IEC60265-1 specification.

•Rated voltage : 15/25/36 kV •Rated frequency : 50/60Hz •Rated current : 400/ 630A •Rated short-time current : 12.5kA •Rated making current : 32.5kA

EMT’s SF6 Gas Pad Mounted Type Load Break Switch is installed for underground cable system. There are manual type & Remotely controlled type with SCADA system as 3 way 3 switch, 4 way 4 switch. Pad Mounted Type LBS shall be applicable for RMU (Ring Main Unit).

FEATURES ㆍTotally sealed and dead-front enclosure construction. ㆍSimple and easy operation using by operation handle or hook stick.

•Rated voltage : 15/25/36 kV •Rated frequency : 50/60Hz •Rated current : 200/400 /600 A •Rated short-time current : 12.5kA •Rated making current : 32.5kA •Impulse withstand voltage(BIL) : 110/150/170kV

SF6 Gas Pad Mounted Type Load Break Switch (Underground System)


Automatic Recloser

•Rated voltage : 15kV, 25kV, 36kV •Rated frequency : 50/60Hz •Rated current : 400A/630/*1250 A •Rated Interrupting Current : 12.5 KA /*20 kA •Impulse withstand voltage(BIL) : 110/150/170 kV

Automatic Line Sectionalizer

•Rated voltage : 15kV/25kV/36kV •Rated frequency : 50/60Hz •Rated current : 400A /630A •Rated short-time current : 12.5 kA •Impulse withstand voltage(BIL) : 110/150/170 kV •Rated interrupting current : 900A

FEATURES ㆍ Phase fault/ Ground Fault/Sensitive Fault counting level can be set ㆍ Automatic trip in setting count in coordination with recloser / Circuit Breaker ㆍ Prevent Fault Count for Inrush Current with Inrush current restrained function ㆍ Applicable Standards ANSI C37.63

Air Type Load Break Switch ( Available for Smart Grid )

•Rated voltage : 15/25/36 kV •Rated frequency : 50/60Hz •Rated current : 400/ 630A •Rated short-time current : 25 kA •Impulse withstand voltage(BIL) : 110/150/180 kV •Operation : Manually / Motorizing Operation

•Available for SCADA System, Smart Grid

* Retrofitable for Existing Manual Type

FEATURES ㆍEconomical Load Break Switch ㆍCompact Air Type Arc Chamber ㆍArc Chamber can be fixed on Movable Contactor, or Fixed Contactor ㆍManual operation, or Motorizing Operation (Optional) * Available for SCADA system ㆍRetrofitable SCADA System for existing Manual Type LBS

EMT’s Pole Top Auto-Recloser is installed for Automatic tripping as equipped Time – Current Curve with SF6 Gas type, or Polymer Type. Auto Recloser shall be able to automatically trip on Overload/Phase Fault /Ground Fault. Auto Recloser can automatically reclose as Reclosing controller of programmed reclosing sequence to minimize SAIDI, SAIFI.

ㆍ Automatic Fault Trip as Circuit Breaker with T.C Curve ㆍ Automatic Reclosing as Programmed sequence ㆍ Available of SCADA system with RTU (or, Integrated RTU)

FEATURES

Patent Number : 10-2016 -0070825


SCADA System(Supervisory Control and Data Acquisition)

AMR(Automatic Meter Reading) System

RTU( Remote Terminal Unit )

ㆍ Very Compact and Simple applicable for LBS/SECTIONALIZER/RECLOSER/CB ㆍ Remotely ON/OFF Operation for Two Switches ㆍ Monitoring DATA of Current (Voltage) value ㆍ Status of LBS/SECTIONALIZER/RECLOSER ㆍ RS232 Connection / pulse Mode Switching ㆍ DNP 3.0 protocol

FEATURES

EMT’S Automatic Meter Reading(AMR) System is consisting of a Host Central Station(HCS), Data Concentrator Units (DCU) and Meter Interfacing Units (MIU) built-in, or External in Electronic Digital Meter/Mechanical Meter/Electronic, Mechanical Meters of flexibility and expandability based on PLC (Low Voltage Power Line Communication Technology) for Low Voltage Customers Downstream Communication of DCU is PLC technology, upstream communication of DCU(MDCU) is RF/GSM/GPRS/CDMA/Internet network. For Low voltage customer AMR system. For High Voltage Customer AMR system, GSM/GPRS/CDMA network shall be adapted.

• Power loss Analysis System & Remote Switching (Optional)

EMT AMR system shall be able to apply for the Existing Mechanical Meter with Internal PULSE GENERATOR, or External PULSE GENERATOR. Also, Electronic Meter with Pulse Out.

• Economical and Flexible Application

EMT AMR system shall be able to provide analysis data of power loss based on each distribution transformer as AMR system operation software. Energy cheating detecting system shall be applicable with AMR system.

EMT’S SCADA (supervisory control and data acquisition) system is useful with our RTU, or integrated RTU controller for Remotely control and monitoring Current, Voltage, Status of LBS/RECLOSER /SECTIONALIZER etc. by RF/GSM/CDMA/INTERNET communication network.

FEATURES ㆍ Remotely ON / OFF operation ㆍ Monitoring of Current, Voltage on distribution line ㆍ Monitoring status of LBS/RECLOSER/SECTIONALIZER/CB # Status : Trip event/Fault report/Gas Low / Door open / Battery Low etc. # Communication Network : RF/GSM/GPRS/CDMA/INTERNET etc.

• EMT RTU can be easily adaptable with any LBS/SECTIONALIZER/RECLOZER/CB Controller for SCADA system • Applicable for RF/GSM/GPRS/CDMA communication network. • Our own Protocol with our operating software, or DNP 3.0 protocol


Cut Out Switch (Drop Out Type)

•Rated voltage nominal : 15/25/36 kV •Rated frequency : 50/60Hz •Rated continuous current : 100A •Rated interrupting current : 12.5 kA

EMT’s Cutout Switch is a safe device installed to primary side transformer for protection of the transformer and customer’s facilities from secondary short-circuit fault of transformer and overload and a outdoor cross-arm mounting, live working, hook-stick operated with load-buster, open type with drop out fuse holder. EMT Cutout Switch has been tested and meet all

requirements of IEC, ANSI and NEMA.

Portable SF6 Gas Load Break Switch

•Rated voltage : 15/25 KV •Rated frequency : 50/60Hz •Rated current continuous : 200A, 400A •Rated short-time current : 12.5KA •Rated making current : 25KA

EMT’s portable type SF6 Gas Load Break Switch is useful for Temporary Cabling work and non power outage work . FEATURES ㆍLive line indication ㆍPhasing indication ㆍSafety lock by manual operation ㆍLoose phasing indication ㆍInternal arching safety device

ㆍOperation counter ㆍGas pressure gauge ㆍInternal and outsource charging ㆍSafety lock for low pressure(Automatically) ㆍLive line indication in case of battery voltage out

FEATURES ㆍPorcelain Insulator / Silicone Composite Insulator Available ㆍStainless Steel / Zinc Iron Coated Steel Mounting Bracket

SFI (Smart Fault Indicator)

•Rated voltage : 12kV ~ 36kV •Rated current : 5A ~ 630A

•Fault Current Pick Up Tap : 50, 100, 200, 300A •Set Operating Signal Time : 30min, 1 hour, 2 hour, 4hour •Self Power Charging : DC 12V

FEATURES

ᆞ Detecting of over current fault sensing (Detecting time : 20~25 ms) ᆞ Settable Time for make audible & Visible signal even for instantaneous Fault ᆞ Settable current to pick up fault current ᆞ Self power rechargeable device from load current. ᆞ Remote monitoring of fault indicator signal ( RF, GSM Network )


Fault Automatic Isolator

•Rated voltage : Single Phase 12~24 KV •Rated frequency : 50/60Hz •Insulation : SF6 Gas (200A/400A), Polymer (630A) •Rated short-time current : 12.5KA •Rated making current : 25KA

• Control Voltage : DC 24V

• Spring Charged Mechanism : Magnetic Actuator; Optional

FAI Function ㆍ Automatic Fault Recloser / Circuit Breaker with T.C Curve in Fault current Break Capability ㆍ Automatic Sectionalizer coordinated with Recloser (or, Circuit Breaker) on beyond of Fault Breaking Current Capability. ㆍ Load Break Switch / Fault Indicator operated automatically (or, manually)

FEATURES ㆍ Applicable standards : IEC 60265-1, ANSI 37.63

Surge Arrester Hot Line Tester

Ultra Sonic Detector

•Connector : For Cable type, or Rod type measurement •Range Selector : 1mA : 0.1~0.99[mA] / 10mA: 1~10[mA] •RS232 Connector : Memory data back up by PC maximum 100ea data • DC power jack : Battery Charging by Adaptor •Power Switch : ON / OFF / Charging

FEATURES ㆍ Analyzing of deterioration Surge Arrester to change before Failure of Lightening Surge Arrester ㆍ Simple Measurement of Leakage Current Surge Arrester ㆍ Possible of Local Printing & Download Data Logging through RS232C communication port ㆍ Measurement on Live line by Hot stick ㆍ Logging of Ambient Temperature in Measurement ㆍ Memory of Maximum 100 ea Data ㆍ Portable and Light Weight ㆍ Easy Change of Battery

EMC 1201 Corona Detector (ECD) is a self contained instrument for detecting of locating partial discharge sites in exposed, but inaccessible sections of high voltage electrical facilities. The instrument has been developed , and designed to enable detecting faults or defects in Facilities to be identified at an early stage, thus allowing remedial work to be undertaken before costly breakdowns may occur.

• Detecting Circuit Voltage : No Limit (~1500)kV • Sensitivity : Variable 8dB ~ 24dB • Detecting Frequency : 23 (or 40)kHz • Dimension : 325 X 240mm • Weight : 1.6kg

• Detecting Range : Up to 75m


Porcelain Type Lightning Arresters

Type BV7A BV-9A BV-18A GL-15 GL-18

Rated Voltage(KV) 7.5 9 18 15 18

Max.Impulse spark over v

oltage (KV Crest) Standard 1.2 x 50㎲ 27 32.5 65 95 125

Front of wave 31 38 75

Discharge voltage at 2.5KV(KA Crest) 27 32.5 65 54 65

Standards

IEC 99-1, ESB 153 ANSI / IEEE C 62.11

ESB 153

EMT offers a line of porcelain distribution Surge Arrestors with SIC varistors(Gap Type) and Zinc-oxide varistors(Gapless Type), for protection of distribution line system. FEATURES ㆍHigh reliability and excellent durability ㆍHigh dielectric strength due to posses the wet process porcelain housing ㆍExcellent non corrosion due to complete stainless steel sealing cap ㆍEconomic price with easily portable due to compact size

Polymer Type Lightning Arresters

Type

Rated Voltage(KV)

Nominal Disc

harge Current

(KA)

Residual Voltage

(KV) Lightning Impulse

Withstand Voltage

(KV, Crest)

Power Frequency

Withstand Voltage

(KV, Crest) 5KA 10KA SHDA-18 18 5 10 54 60 150 70 SSPA-18 18 5 10 54 60 150 70 SHDA-21 21 5 10 64 69 150 70 SSPA-21 21 5 10 64 69 150 70 SHDA-24 24 5 10 72 80 150 70 SSPA-24 24 5 10 72 80 150 70

FEATURES ㆍEMT’s Polymer Arrester is the design avoid free air space which eliminates the possibility of failures due to moisture ingress. ㆍOut-door type polymer arresters prevent the power lines from fault due to the lightning and line switching. ㆍEspecially out-door type in heavy polluted area provide excellent protection for equipments. ㆍIn-door type polymer arresters for the switchgear protection are installed in a MGSG and a cubicle.

High Voltage Air Break Switch (KST Type)

•Rated voltage nominal : 7.2KV •Rated frequency : 50/60Hz •Rated current : 200A, 300A, 400A

EMT’s High Voltage Air Break Switch is a manually operating switch. Air type Load Break Switch is supplied to Rail Way company.. Main technology is from JAPAN TOGAMI Electric Manf. Co. Ltd.

FEATURES ㆍOIL. SF6 Gas Free / Air Type Load Break Switch (Fully enclosed Type) . Applicable standards KSC4510, JISc4605

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