HPL Department

About HPL Department

• Laboratory was established during 1992 and has been catering testing services to Switchgear industry by carrying out Short-circuit test on Medium and High voltage Switchgear equipment, Distribution & Power Transformers and other related equipment.
• Laboratory has 2500MVA Short-circuit generator, Master circuit-breaker, High speed make switch, Transformer banks and associated equipment for carrying out the Short-circuit. Laboratory also has Synthetic test facility to carry out Short-circuit duty test on HV circuit-breakers up to 245kV rating.

Test Facilities

• Short-time withstand current
• Induced Current switching duty test on Earthing switches up to 765kV Class.
• Internal arc current test on HT Panels, Compact sub-stations, Motor & Generator Terminal box etc.
• Internal arc current test on Instrument Transformers (CT & PT)
• Power arc test on Insulators & Insulator strings
• Short-circuit Making duty tests on Earthing Switches
• Short-circuit test (High current & Low current pressure relief test) on Lightning arresters
• Line Charging (LC), Cable charging (CC1 & CC2), Single Capacitor bank (BC1) Switching duty tests on HV circuit-breakers up to 36kV Class
• Dynamic & Thermal SC test on UG Cables, Cable cleats etc.

Research capabilities / expertise:

• Design and performance evaluation of HV circuit-breakers and other switchgear equipment.
• Failure analysis of power transformers & system studies.
• Power industry and utility-related specific problems.

Clientele :

Australia

Germany

Bangladesh

Sri Lanka

Myanmar

Afghanistan

Malaysia

Saudi Arabia

Qatar

United Arab Emirates

Egypt

United Kingdom

Singapore

Thailand

China

Japan

Nepal