The main difference between kilowatt (kW) and kilovolt-ampere (kVA) is:
Kilowatt (kW)
1. Measures the actual power used by an electrical device or system.
2. Represents the amount of electrical energy actually used to perform work.
3. kW measures the real power, which is the actual amount of energy used.
Kilovolt-Ampere (kVA)
1. Measures the apparent power of an electrical device or system.
2. Represents the maximum amount of electrical energy that can be used by a device or system.
3. kVA measures the apparent power, which includes both real and reactive power.
For example, if a generator has a rating of 10 kVA, it means that it can supply a maximum of 10 kW of real power, but the actual power used may be 8 kW due to energy losses.
In summary, kW measures real power, while kVA measures apparent power, which includes both real and reactive power.
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