Question 1

What is the difference between prime and standby power ratings?

Accepted Answer

A standby rating applies to emergency use for the duration of a utility outage. A prime rating applies to unlimited annual running hours at a variable load. For example, the FG Wilson P250-5 is rated 230 kVA (184 kW) prime and 250 kVA (200 kW) standby at 50 Hz. Size your set on prime power if it will be your main source of electricity.

Question 2

How do I convert kW to kVA when sizing a diesel generator?

Accepted Answer

Divide the real power in kW by the power factor, which is 0.8 for most three-phase diesel generator sets. 184 kW divided by 0.8 equals 230 kVA. Add a margin for motor starting currents and future load growth.

Question 3

Should I choose a silent diesel generator or an open frame generator?

Accepted Answer

Silent generator sets use an acoustic, weatherproof canopy and suit hospitals, residential areas, events and outdoor sites. Open frame generators suit plant rooms that already provide ventilation, noise control and weather protection, and they offer easier service access.

Question 4

What warranty and after-sales support does Cinda Creation provide?

Accepted Answer

Generator sets are covered by a 12-month warranty counted from the start-up date. Our team responds to technical and service requests within 24 hours and supplies Perkins generator parts for maintenance.

Question 5

What information is needed for an accurate generator configuration?

Accepted Answer

Send your load list or required kW/kVA, voltage, frequency (50 Hz or 60 Hz), phase, standby or prime duty, site altitude and ambient temperature, enclosure type, fuel tank autonomy and whether an automatic transfer switch is required.

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