Download BrochureCT & PT testing
Electrical Tests On CT:
- Capacitance & Tan Delta
- Insulation Resistance (IR)
- DC Absorption Test
- Ratio Test
- DC Winding Resistance
- Knee Point
- Megger Between Windings and Winding Terminals to Body.
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Polarity Tests.
A.) Ratio Identification Checking of All Ratios on All Cores by Primary Injection of Current.
B.) Magnetization Characteristics & Secondary Winding Resistance. - Spare CT Cores, If Any to Be Shorted and Earthed.
CT and PT type of transformer used in AC power. CT and PT both are measuring devices used to measure currents and voltages. They are used where large quantities of currents and voltages are used. The role of CT and PT is to reduce high current and high voltage to a parameter.
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Electrical Tests On PT:
- Capacitance & Tan Delta
- Insulation Resistance (IR)
- DC Absorption Test
- DC Winding Resistance
- Insulation Resistance
- Ratio Test on All Cores.
- Polarity test
- Line connections as per connection diagram.