- Required Running Time (Hours per year)
โข Applied load (variable or constant)
โข Overload Capability
( PS: Overload is not mentioned in Standards)
(due to transients extra power is available) - Implied changes with Rating
- Warranty
Continuous Power โ COP
Applicable for supplying utility power at a constant 100% load for an unlimited number
of hours per year. No overload capability is available for this rating.
Some may even ask for 10% Overload. i.e 1010 kVA COP may require us to offer KTA50G8
Prime Power โ PRP
Unlimited Time PRP:(8760 hr/yr less service)
๏ฑUnlimited number of hours per year
๏ฑVariable load
๏ฑNot to exceed 70%
average of the PP rating during any operating period of 24 hours.
Limited Prime Power โ LTP
๏ฑ limited number of hours 500 h/year
๏ฑ Non-Variable Load
applications at power levels never to exceed the Prime
Power rating.ย Any operation exceeding 500 hours per year should use the Continuous Power Rating
Emergency Standby Power โ ESP
๏ฑFor supplying emergency power for the duration of a utility power failure.
๏ฑNot to exceed 200 hrs/yr
๏ฑ Average load factor of 70% of the standby rating
๏ฑNo negotiated outage operations.