Test & Measuring Instruments-> Instrument Transformer & Switchgear Test Set

[1]   Click to Enlarge Instrument transformer (CT & PT) test set 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. See Enlarge Click to Enlarge Standard Instrument, CT & PT 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. Current Transformer of other Current range, Burden & Accuracy class are also manufactured as per customers? requirement. 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. 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. Potential Transformer of other Voltage, Burden & Accuracy class are also manufactured as per customers? requirement. See Enlarge Click to Enlarge Burden Box for CT & PT BURDEN BOX FOR CT: Available in four sets Rated current Power Factor Burden Accuracy of adjustment 5 A Unity 2.5, 7.5, 15, 30VA Within i) + 3% of burden value. ii) + 2 electrical degree for angle. 5A 0.8 lag " " 1A Unity " " 1A 0.8 lag " " Burden Box of other Burden & Accuracy class are also manufactured as per customers? requirement. BURDEN BOX FOR PT: Available in four sets Rated voltage Power Factor Burden Accuracy of adjustment 110V Unity 5 to 200VA in steps Within i) + 3% of burden value. ii) + 2 electrical degree for angle. 110V 0.8 lag " " 63.5V Unity " " 63.5V 0.8 lag " " Burden Box of other Burden & Accuracy class are also manufactured as per customers? requirement. See Enlarge Click to Enlarge CT KNEE POINT EXCITATION TEST SET Input : 230 Volts, 50Hz, single phase AC. Output: Variable from 0 - 1000V AC, 1 phase, in 3-ranges i.e. 0 to 10 Volts AC at 2 Amps Max. OR 0 to 100 Volts AC at 2 Amps. Max. OR 0 to 1000 Volts at 1 Amps Max. Duty: 5 mins. ON & 15 mins. OFF. Metering: Digital Frequency Meter - 1no. 3 1/2 digit Digital Voltmeter having 3 ranges-1no. 3 1/2 digit Digital Ammeter having –1no. The set is provided with zero-start interlocking, overload and short circuit protection. The Set also is provided with surge and harmonic suppressor to get quality AC voltage, which is a basic requirement for this. The set is a nice looking portable sheet steel cubicle. The set can also be available in automatic mode. See Enlarge Click to Enlarge CT EXCITATION CURRENT CUM AC HIGH VOLTAGE TEST SET Series: CTECAHV2; Type: 001K01A The Test Set will be capable of measuring the following parameters of a CT based on Voltage Comparison Method. i. Magnetising Characteristic ii. CT Ratio iii. Polarity Input: 230 Volts, 50Hz., single phase AC. Output: Continuously variable in 4 ranges. 0 to 40 V at 1.5 A Max. 0 to 150V at 1.5 A Max. 0 to 600V at 1.5 A Max. 0 to 1000V at 1.0 A Max. Power supply Transformer is isolation type with electrostatic shielding. Duty: 5 mins. ON, 15 mins. OFF. Metering: 4? digit Digital voltmeter used for measuring primary & secondary Voltage: 4? digit Digital ammeter used for measuring excitation current. Hold facility is provided to freeze the readings on meters. Auxiliary D.C. Power supply and LED indicator is provided to detect the polarity of CT under Test. Microcomputer based version of this set is also available. -------------------------------- Series: CTECAHV1; Type: 003K200m Input: 230 Volts, 50Hz., single phase AC. Output: Continuously variable in 4 ranges 0 to 100 V at 2A Max. 0 to 1000V at 1A Max. 0 to 2500V at 0.5 A Max. and for AC High Voltage Test mode 0 to 3000V at 0.2 A Max. Tripping circuit at 50mA, 100mA & 200mA provided. Duty: 5 mins. ON, 15 mins. OFF. Metering: 4? digit Digital voltmeter used for measuring primary & secondary Voltages: 4? digit Digital ammeter used for measuring excitation current. Hold facility is provided to freeze the readings on meters. Microcomputer based version of this set is also available. --------------------------------- Series: CTECAHV1; Type: 005K03A Input: 400/415 Volts, 50Hz., two phase out of three phase AC. Output: Continuously variable from 0 to 5KV for AC High Voltage Test mode at 3A Max. Tripping circuit at 500mA, 1A, 2A & 3A provided. Duty: For 3A, 5 mins. ON, 15 mins. OFF. For 2A, 30mins. ON, 30 mins. OFF. For 1A & 500mA continuous. Metering: 96-sq. mm. moving iron type voltmeter generally connected to the LT side and scaled in KV. 96-sq. mm rectifier type milliammmeter. Protection against overload, over voltage provided. Over voltage alarm indication, zero-start interlock facility, memory device etc. are also provided. Microcomputer based version of this set is also available. See Enlarge Click to Enlarge PARTIAL DISCHARGE test set type: pdnt02 This Test Kit is used for non-destructive means of assessing the quality of high voltage transformers, motors, cables etc., which are used in generation & distribution of electric power. The basic system consists of- DISCHARGE MEASURING MODULE Input : 230volts, 50Hz., single phase AC. Measuring Range: 0 to 5,50,500,5000pC in different switchable ranges. Discharge pulses can be detected and measurement can be done in analog scale as well as in PC. MATCHED MEASURING IMPEDANCE In series with standard capacitor this forms a voltage divider and decouples the high frequency signals to feed the discharge measuring module. The set is electro statically shielded. Standard Capacitor: 100pf or 1000 pf. C.R.O. suitable for the above Calibrating Pulsar OPTIONAL AT EXTRA COST: 40 kV AC high Voltage measuring system Auxiliary Supply Voltage: 230 Volts, 50Hz, single phase, AC. Range: 0 - 40 kV AC Metering: 31/2 digit digital panel meter. See Enlarge Click to Enlarge Time Interval Meter (1 & 3 channel) "ntpl" Digital Time Interval Meter is suitable for measuring, "switching" time of relays, "trip"(actuation time) time and "ON" (recovery time) time of circuit breaker, fusing time of fuse elements, travel time of switches. Type: NTT4D Input Power Supply : 230 volts, AC + 10% at 50 Hz. Display : Four-digit display with 7 segments LED Range : 9.999secs. OR 99.99 secs Accuracy : + 1 % Type: NTT3ch4D The above time interval counter is particularly suitable to check simultaneous operation in three different channels. Range : 999.9msecs. Or 9.999secs. All the other technical features will be same as Type NTT4D See Enlarge Click to Enlarge CIRCUIT BREAKER ANALYSER TYPE: CBANT01 SYSTEM FEATURES: 80386 or higher microprocessor based system. Solid state data storage capacity. Data is stored in MS Windows readable format. Data can be exchanged by normal floppy. Analyzing software can be run on any normal PC with the captured data. Any dot matrix or inkjet printer can give output graphs on any paper. Multiple operating observations are captured by the machine and kept in the memory. LCD Screen Display. DATA ACQUISITION FEATURES: 100 kHz A/D conversion. All channels are optically isolated. 0.5 ms sampling interval per channel. The operations will be for single break in OFFLINE mode. MAKE, BREAK and O-C-O sequence operation will be provided. Parameters RECORDABLE: Total Travel. Contact Gap. Contact Loading/Erosion Clearance. Contact Penetration. Closing Bounce. Opening Rebounce. Opening and Closing time. Speed and Travel at various specified transit positions. Transient opening and closing coil voltage. Transient opening and closing coil current. DIGITAL DATA CHANNELS AVAILABLE: R phase Contact Y phase Contact B phase Contact N - Contact. Analogue Date Channels R phase Contact - 1 R phase Contact - 2 Y phase Contact - 1 Y phase Contact - 2 B phase Contact - 1 B phase Contact - 2 N - Travel Closing coil voltage R Closing Coil Current Y Closing Coil Current B Closing Coil Current N Closing Coil Current Marked channels are normally required and as per our current plan further channel can be extended with the software change only. SPECIFICATION: Timing : A period of 100ms nominal. Trigger : Closure of external voltage free contact to start calibration. Power Supply: 230 V, 1 Ph, 50Hz.,AC. See Enlarge Click to Enlarge MICRO OHM-METER (Type: UONT100A) This Test Set is capable to measure low resistance like switch contacts, breaker contacts, busbar splices, joints, fuses, low inductive windings etc. by circulating high value of D.C. through the contact/junction and measuring D.C voltage drop (4 terminal method) which, sent to instrument amplifiers , thereby being displayed on resistance meter. Technical Features: Resistance Range Resistance meter reading display Resolution Test Current 200mW 199.9 0.1mW 100A 2mW 1.999 1mW 50A 20mW 19.99 10mW 20A 200mW 199.9 100mW 10A,5A Input: 230 Volts + 10%, 50 Hz., single phase AC. Accuracy: + 1% of reading. Metering: 2-nos., 31/2 digit LED module for resistance measurement & current measurement. Protection against overload & short-circuit. See Enlarge Click to Enlarge MILLI VOLT DROP TEST SET This is a portable DC Injection Set suitable to observe millivolt drop across low resistance elements, contacts, switches, D.C. motor commutator segments etc. Input : 230 volts, 50Hz, 1Phase, AC upto 300A. 400/415 V, three phase, 4 wire, 50Hz. , AC above 300A. Output : Continuously variable from zero to maximum rated current required. Series: MVDTXPYYU; X denotes single phase input (1) or three phase input (3); YY denotes DR or OC i.e. either the transformer will be air-cooled or oil cooled type. U denotes no. of units ? either one (1) or two (2). Type: Y1Y1Y1AZZV; Y1Y1Y1 denotes the maximum current capacity in Amp. While, for Y1KAZZV; Y1 denotes the maximum current capacity in kAmp. ZZ denotes the open circuit voltage rating. We manufacture these sets in wide range up to 3KA and of various capacities. Duty Cycle : 5 minutes ON & 10 mins. OFF. Sets of other duty cycle can also be manufactured at extra cost. Units : 1 unit upto 500A. 2 units above 500A upto 3000A. Transformer : Air-cooled upto 1000A. Oil cooled above 1000A upto 3000A. Step down rectifier transformer with full wave rectifier bank consists of 4 nos. silicon diodes along with surge suppressor. Protection against overload & short circuit is provided. ?Zero Start Interlock? protection is also incorporated. Metering: Analog millivoltmeter, voltmeter & shunt operated ammeter. Digital meters can be provided at extra cost. One set of probes to measure millivolt drop between two points of test sample is provided. See Enlarge Click to Enlarge high voltage vacuum tester IBL make DC high voltage vacuum test set is suitable for testing the integrity of the vacuum circuit breaker Input : 230V, 50Hz, single phase AC. Output : Continuously variable from zero to max. rated DC output voltage. Type X, denotes L if the set is used for laboratory purpose & P if the set is used for testing at sites. Output voltage Current capacity No. of units , if the set is used for laboratory purpose No. of units , if the set is used for testing at sites. DHVVAC30X 0 to 30KV DC 1mA max. Single (HV supply unit) Two (HV supply & control measuring units) DHVVAC60X 0 to 60KV DC 2mA max. Two (HV supply & control measuring units) Two (HV supply & control measuring units) If the Test Set is used for Laboratory purpose, then Test Chamber may be provided at extra cost. Duty Cycle: Intermittent ie. 5 mins. ON, 10 mins OFF. However, test sets of continuous or other duty cycles can also be manufactured at extra cost. Protection: Overload & short circuit provided. Zero start interlocking along with Overvoltage alarm & indication are provided. Metering: DC high voltage measured by means HV resistor chain along with micro-ammeter. Milliammeter measures the leakage current. Digital meters may be provided at extra cost. Discharge rod: A discharge rod is provided with the set. See Enlarge [1] Go to Top