Hi
Kindly review the following for a generator rated for 500kVA, 400V, 3P4W, 50Hhz, fitted with Unrestricted Ground Fault Protection System is tripping on ground fault. Upon inspection we have found:
1) The insulation resistance for all winding are over 1000 M.Ohms
2) There is no leakage from...
I am seeking expertise review to identify the reason(s) for repeated alternator failure on an 11kV power plant rated for 16MVA using 12x 415V generators arranged as per the following, installed/ commissioned in two phases and operating all in parallel with necessary protection and load...
Dear Sir,
Hi Designers/ experts in Fire Fighting System
The Fire Fighting System installed for a Construction Equipment Showroom, Spare Parts Store and Workshop facilities spread in an area of 7,500sq.m is provided with:
1) 2x electric driven fire pumps each rated for 1,000GPM/ 94kW
2) 1x...
Hi Designers/ experts in Fire Fighting System
The Fire Fighting System installed for a Construction Equipment Showroom, Spare Parts Store and Workshop facilities spread in an area of 7,500sq.m is provided with:
1) 2x electric driven fire pumps each rated for 1,000GPM/ 94kW
2) 1x electric...
Gents,
Let us discuss about the Performance, Reliability (MTBF), Maintenance and Expected Life of Construction and Material Handling Equipment from China, as it would guide those are looking for cheaper option to substitute European brands, especially Mobile Cranes, Crawler Cranes, Tower...
Could you please advice the appropriate fire detection and suppression system for emergency generator room?
The generator room located in the basement is having 5x 1,700kVA emergency generators and engine room mounted emergency switchboard and control system arranged to start and load as per the...
1) Is CAF (Compressed Air Form) system suitable for protecting diesel driven generators?
2) Is it safe to apply before stopping the generator?
3) What is the best detector to detect the fire on 6 x 1,500kVA generators loacted in a shaded shed (heat or flame)?
Regards
Prakash
Can anyone explain why certain authorities insist to use 4Pole circuit breaker for generators and transformers?
1) What type of action/ protection is expected from the 4P breaker fitted on generator when its neutral is solidly grounded (TN-S system for 3P4W distribution)?
2) Is it recommended...
