Installation and Commissioning Services

SEPAM 1000 Retrofit Solutions
February 20, 2017
Switchgear Refurbishment
February 20, 2017

Installation and Commissioning Services

Yekan Niroo Paya Co. has extensive experience in both the installation and commissioning of all manufacturers new and refurbished low voltage, medium voltage and protection equipments. Commissioning services include but are not limited to the following:

Low & Medium Voltage Switchgear
AC pressure testing of the primary circuit
AC pressure testing of the secondary circuit
Current transformer mag curves, flick, ratio tests
Voltage transformers polarity and ratio check
Primary injection testing of protection relays
Secondary injection testing of protection relays
Circuit breaker timing testing
Functionality checks

Protection Testing
Over current and earth fault schemes
Directional over current and earth fault schemes
Differential schemes
Bias differential schemes
Unit protection schemes
Time limit fuse schemes
Restricted earth fault schemes
Stand by earth fault schemes
Neutral voltage displacement schemes
Bus zone schemes
Frame leakage schemes