Instrument transformer (CT & PT) test set

Product Code: ITST006

Description: CT TEST SET A] CT TEST BRIDGE: This test bridge is suitable for testing current transformer having secondary current of 5A and 1A. Input Voltage : 230V, 50Hz. , 1 phase AC. Secondary Current : 5A and 1A. Phase Angle Error Range : 0 to + 20 minutes on x1 range 0 to + 100 minutes on x5 range 0 to + 400 minutes on x20 range Ratio Error Range : 0 to + 0.5% on x1 range 0 to + 2.5% on x5 range 0 to +10% on x20 range Polarity Check : Polarity indicated by lamp with "check" position selection. Ammeter : One digital ammeter to indicate the injected current in %. Detector : A built-in detector of electronic type. Test Bridge having secondary current of 5 Amps. only is also manufactured. B] burden box: Rated current : 5 Amps., 1 Amps. Power factor : 0.8 lag, unity Burden : 2.5, 7.5, 15 and 30 VA. Accuracy of adjustment : Within i) + 3% of burden value. ii) + 2 electrical degree for angle. C] precision current TRANSFORMER: 5 amps. & 1 amps. Primary : Wound : 5, 10, 15, 30 & 50 Amps. Bar : By winding number of turns through center hole, following ranges can achieved - 100, 200, 300, 400,500, 600, 1000, 1200, 2000A. Secondary : 5 Amps. & 1 Amps. Burden : . 5 VA Accuracy : Class 0.1. Voltage grade : 600V Termination : The wound primary & secondary will be terminated on suitable brass studs duly marked. Construction : The complete transformer will be housed within a polished wooden case provided with center hole & carrying handle. PT TEST SET A] PT TEST BRIDGE: This test bridge is suitable for testing potential transformer having secondary voltage of 110V and 63.5V. Input Voltage : 230V, 50Hz. , 1 phase AC. Secondary voltage : 110V and 63.5V. Phase Angle Error Range : 0 to + 20 minutes on x 1 range 0 to + 100 minutes on x 5 range 0 to + 400 minutes on x 20 range Ratio Error Range : 0 to + 0.5% on x1 range 0 to + 2.5% on x5 range 0 to +10% on x20 range Polarity Check : Polarity indicated by lamp with "check" position selection. Voltmeter : One digital voltmeter to indicate the secondary voltage. Detector : A built-in detector of electronic type. Test Bridge having secondary voltage of 110V only is also manufactured. B] burden box: Rated current : 110V, 63.5V Power factor : 0.8 lag, unity Burden : 5 to 200 VA in steps. Accuracy of adjustment : Within i) + 3% of burden value. ii) + 2 electrical degree for angle. C] precision potential TRANSFORMER Primary : 33KV or 11KV Secondary : 110V / 63.5V Burden : 5 VA. Accuracy : Class 0.2 System voltage : 33KV effectively earthen. Termination : HT & LT on suitable insulated terminals. Type : Cast Resin Air Cooled with carrying handle. D] precision potential TRANSFORMER Primary : 400, 660, 2200, 3300 or 6600V by series parallel combination. Secondary : 110V Burden : 5 VA. Accuracy : Class 0.2 System voltage : 6.6KV effectively earthen. Termination : HT & LT on suitable insulated terminals. Type : Cast Resin Air Cooled with carrying handle. Precision Potential Transformer of other Voltage, Burden & Accuracy class are also manufactured as per customers’ requirement.