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Protection Relays

Power System protection is crucial part of power station and substations safety which use protection relays and circuit breakers to isolate faulty parts or zones within the plant including Generator zone, Motor zone, Feeder zone, Bus zone, Transformer zone and Transmission Lines zone. Hence a comprehensive testing of protection relays is very important in order to keep the power system stable and working properly.

EMC PARTNER offers a complete and extensive test solutions from one hand to conduct all conducted immunity impulse and insulation tests.

Applications

TRANSMISSION LINES PROTECTION

TRANSFORMER PROTECTION

GENERATOR PROTECTION

Feeder Protection

Bus Protection

Motor Protection

The IEC 60255-26 divides the electromagnetic environment into severe (zone A) and typical (zone B), whereas IEC 61000-6-5 divides the installation environment into 4 zones from inside to outside EMC protected area. EMC PARTNER offers EMC test equipment for all zones to conduct all Impulse, Transients and Power Fail tests, including EFT up to 4kV, Surge up to 4kV, Damped oscillatory waves up to 2kV as well as Dips/interrupts and insulation test up to 8kV.

Applications

The IEC 602555-26 divides the electromagnetic environment into severe (zone A) and typical (zone B), whereas IEC 61000-6-5 divides the installation environment into 4 zones from inside to outside EMC protected area. EMC PARTNER offers EMC test equipment for both zones to conduct all impulse, transients and power fail tests, including EFT up to 4kV, Surge up to 4kV, Damped oscillatory waves up to 2kV as well as Dips/interrupts and insulation test up to 8kV.

Transmission Lines Protection

Transformer Protection

Generator Protection

Feeder Protection

Bus Protection

Motor Protection

Application Standards

Relevant product standards for protection relays testing are listed below

IEC 60255-1:

Measuring relays and protection equipment – Part 1: common requirements
IEC 60255-26:

Measuring relays and protection equipment – Part 26: Electromagnetic compatibility requirements
IEC 60255-27:

Measuring relays and protection equipment - Part 27: Product safety requirements
IEC 61850-3:

Communication networks and systems for power utility automation – Part 3: General requirements
IEC 61000-6-5:

Electromagnetic compatibility (EMC) - Part 6-5: Generic standards - Immunity for equipment used in power station and substation environment

Test Types

EFT Transients as per IEC 61000-4-4
Surge 1.5/50, 5/350 µs as per IEC 61000-4-5
Common mode as per IEC 61000-4-16
DOW as per IEC 61000-4-18
AC Dips / Variations as per IEC 61000-4-11
DC Dips / Interrupts as per IEC 61000-4-29
Magnet Fields as per IEC 61000-4-8
ESD as per IEC 61000-4-2
1.2/50μs Insulation Test as per IEC 60255-27

test solutions

DOW-CG1

Multi function Damped Oscillatory Wave (DOW) generator

Compact generator for Damped Oscillatory Wave testing. Integrated three phase CDN for Slow and Fast waves. Magnetic Field output for 1m or 2m coil. Can be extended with insulation test impulses up to 8 kV.

IMU-MGE

8KV EFT/Burst, SURGE, Ringwave and 10/700us impulse generator

Compact generator for EFT/Burst, SURGE, 100 kHz Ringwave and 10/700 impulses up to 8KV. Integrated 16 A CDN. Extend with ESD, Dips/Interrupts and Common Mode.

INS-0805

8 kV impulse voltage tester with fixed energy and impedance.

1.2 / 50 µs impulse generator with impedance 500 Ohm and fixed impulse energy 0.5 Joules in 10 ranges from 500 V to 8 kV. Colour touch panel control with graphic help. Personnel protection with test cabinet TC-ST.

ACCESSORIES

VAR-EXT1000

Extends Variac up to 16A for IMU systems

VAR-EXT1000 extends IMU Series generators up to 16A single phase. Dips and variations testing can be performed at any level from 0 to 100% according to IEC 61000-4-11.

CDN-UTP8 ED3

Manual CDN for communication line testing up to 8 lines

CDN-UTP8 ED3 is a compact manually operated coupling devices enabling testing for many standards. Combination Wave (CWG) for IEC 61000-4-5, Ringwave for IEC 61000-4-12 and 10/700 telecom according to ITU-T K44.

CN16-22-7C | CN16-22-7D

For 2 power line common mode testing according to IEC 61000-4-16 for short time test from DC to 60Hz (300V).

EXT-IMU E

Optional ESD extension for IMU generators

Optional extension for IMU Series generators to enhance system with the capability for ESD testing according IEC 61000-4-2 basic standard up to 16kV Air Discharge and 10kV Contact discharge. No standalone operation.