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.
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