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Three Phase
Three voltage waveforms at 120°,1/3 of a cycle offset in time.
- Pickering Interfaces Inc.
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PXI Three Channel Function Generator
41-620-003
The 41-620 is a compact 3 channel function generator provided in a PXI 3U single slot module. It is capable of generating sine waves to 10MHz with 48-bit frequency resolution referenced to the 10MHz PXI clock or to an external standard. The 41-620 can generate arbitrary waveforms loaded into the internal 256k memory, allowing the function generator to emulate many waveform types, including the typical waveforms of automotive and aerospace sensors.
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Three Phase Power Analyzer
Model PA-600
Power Analyzer Model PA-600 is having advanced measurement capability which gives accurate measurement also at low power factor such as 0.1PF with 0.1% basic accuracy. 16 bit microcontroller and 24bit Analog to digital converter performs accurate measurement & calculation of Voltage, current, power, power factor, crest factor, form factor and frequency with any load and signals of frequencies from 30 Hz to 800 Hz. PA600 is most applicable for no load and full load testing of distribution and power transformer. You can read true RMS value, peak value, mean value and average value of any parameter simultaneously in LCD display.
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AC Source
AMF
The Intepro AMF Series is a complete line of single and three phase, 400Hz AC Frequency Converter products. With Power levels ranging from 6kVA up to 300kVA, the AMF series of frequency converter products are the ideal and cost effective solutions for precise frequency conversion in all avionics and higher frequency electronic applications. Power and frequency conversion is supplied by state-of-the-art IGBT pulse-width-modulated power amplifiers resulting in highly efficient power conversion, compact design and maximized performance with minimum downtime.
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Three-Phase Transformer Demagnetizer
DEM60C
After a DC current test, such as winding resistance measurement, the magnetic core of a power or instrument transformer may be magnetized (remnant magnetism). It can cause various problems such as wrong diagnostics, inaccurate measurements on a transformer, inrush current at the start-up of a power transformer, or incorrect operation of protective relays due to magnetized CT cores. The best way to eliminate this source of potential problems is to use demagnetizer on the power or instrument transformer.The DEM60C is a fully automatic test instrument which performs three-phase transformer demagnetization. Transformer magnetic core demagnetization requires the application of AC current with magnitude decreasing to zero. DEM60C provides this AC current by internally changing the polarity of a controlled DC current. During the demagnetization process, the instrument supplies the current at decreasing magnitude for each step, following a proprietary algorithm. It can demagnetize single-phase and three-phase power transformers.The instrument can be connected to all three phases of a power transformer to be demagnetized, on either the primary or the secondary side. If a user selects specific vector diagrams for different types of transformers, DEM60C will run a specific demagnetization procedure for each transformer type (i.e., single phase, delta, wye/star, zig-zag.) without switching the test leads.DEM60C enables safe and efficient power transformer demagnetization. The instrument automatically regulates the injection of current and discharging energy from the inductance. During and after the operation, an intrinsically safe discharge circuit with an indicator rapidly dissipates the stored magnetic energy. The discharging circuit is independent of the power supply, which improves its reliability in case of loss of power.Test currents of up to 60 A DC enable efficient demagnetization of even the largest power transformers. Using a DV Win software, it is possible to control DEM60C externally.
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Relay Tester
LET-4000-R
Regulation and Measurement Module performs the regulation of the DC current and is made with a variable auto transformer (Variac) regulating a three phase DC current, with a power of 8KVA and a three phase transformer of 8KVA with 2V nominal power in the secondary windings. A built-in ammeter and a timer give the information of the current injected and the operation time of the relay under test.
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Uniload Voltage Transformer Test Set
2J6
The Type 2J6 Knopp Uniload Voltage Transformer Test Set consists of three major parts: When the Knopp Precision Transformer in the 2J6 set is compensated for, and used with, a secondary burden of 15 volt-amperes, for example, the ratio of this precision transformer is well within 0.02% and the phase angle is well within 2 minutes. The transformer, in common with other Knopp Precision Multirange Transformers, is wound so that it has practically the same ratio and phase angle accuracy on all ranges.
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Three Phase Manual Coupling/Decoupling Networks
CDN 3083 Series
Three phase 440 VAC/DC and 620 VAC/DC 100 and 200 A manual coupling/decoupling networks (CDNs) for Surge.
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PORTABLE THREE PHASE AC VOLTAGE AND CURRENT SOURCE
GF303D
Beijing GFUVE Electronics Co.,Ltd.
The GF3031 is a powerful and portable three phase current and voltage source. All test values are generated absolutely synthetically with a high degree of accuracy and stability. The source is available in 12 A, 24A or 120 A.The GF303D three phase portable power source is a lightweight and portable current and voltage source based on newest technology and serves for solving this problem by simulating the required load conditions. Operation is performed by integrated 7" touch screen or via keyboards
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Stationary Meter Test Stations
Astel
Calmet Smart Calibration Devices
Multi position single and three phase series meter test stations class up to 0.01% for simultaneous and automatic calibration and legalization of 32/64 electricity meters
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Audio Generator
AG-51
The AG-51 Audio Generator contains a low distortion 20 Hz to 200 kHz sine wave generator, an SMPTE standard intermodulation signal generator and a fixed frequency sine wave generator at 3.15 kHz for wow and flutter tests. Signal outputs are simultaneously available at levels of up to +20 dBm (equivalent sine wave power for complex signals) at separate left (L OUT) and right (R OUT) output connectors. Outputs may be selected for left (L) only, right (R) only, left and right in phase (L+R), and left and right in phase opposition (L-R). Fully balanced or unbalanced outputs at impedance levels 150 ohms or 600 ohms are front panel selectable. Three precision attenuators (10, 1.0 and 0.1 dB) provide a dynamic range of 99.9 dB in 0.1 dB steps. Attenuator dials display the output level directly in dBm in the 150 ohm source impedance configuration. Automatic output leveling circuitry with a built-in self-test feature provides a constant output level thereby eliminating the need for output metering. In the TEST mode the generator output level is reduced to zero, a useful feature during noise measurements.
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Three Phase AC Voltage Source
EAC-TAVS
Electronic Test & Power Systems
The EAC-TAVS is a series of programmable high power AC voltage sources. Each system provides a three phase true sinewave output as standard. Each unit is built in a freestanding cabinet. The output frequency is adjustable in the range of 45 - 105Hz. Different frequency ranges are optional, with up to 805Hz possible. An RS-232 and CAN interface are provided as standard. The high resolution TFT front panel displays a host of measurement and setting functions. Besides standard models, other nominal power levels and voltages can be user specified. Single phase and bidirectional versions are available on request.
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Digital Line Protection System
DLPD
The DLPD provides distance protection for HV and EHV transmission lines. It may be used for single or three phase tripping applications. It includes four zones of distanceprotection. User selectable pilot schemes are provided with stepdistance backup. Ground instantaneous and time overcurrentfunctions are independently selectable to be directional ornon-directional.
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Relay Test Set
RNT-5A
This is a portable testing kit in one unit, suitable for testing protective relay, over current relay, earth fault relay, protective device, circuit breaker, tripping coils etc.The set is designed for both laboratory and field use. TECHNICAL FEATURES: INPUT : 230 Volts, single phase, 50Hz. AC. OUTPUTS : : 1) Current Output: a) 0- 1Amp. At 6/60Volts. (Continuous duty). b) 0- 5 Amps. At 6/60 Volts. (Continuous duty). c) 0- 10 Amps. At 6/60 Volts. (Continuous duty). d) 0- 20 Amps. At 6 Volts. (for30 min. duty). e) 0- 50 Amps. At 6Volts. (For 10 min. duty). f) 0-100 Amps. At 6 volts. (For10 min. duty). g) 0-200 Amps at 6Volts. (For 30 sec. duty). Current output is continuously variable and the output is taken out through a multi range C.T. The secondary is connected to an ammeter scaled in 0 to 100%. Output current range 1Amp. To 20Amps. Are selected by current range selector switch with common output terminals and for other three ranges three brass terminals are provided of proper ratting. 2) AC Voltage Output: Continuously variable 0 -230V AC. Capacity- 240VA (Max). OR DC Voltage Output: Continuously Variable 0-240V DC. Capacity-240VA.(max). One change over switch should be provided for selection of Volt. Meter for AC or DC voltage output & either AC or Dc voltage should be available at a time. 3) Time Measurement: 0-9.999Secs. & 0-99.99Secs. in two ranges. Accuracy: 1% CURRENT CIRCUIT: Loading transformer: Double winding loading transformer of suitable burden to provided corresponding current output specified before. One change over switch in current ckt. To be provided for voltage selection i.e. selection of 10volt. Or 50volt. Measuring CT: Multi ratio wound primary current transformer Ratio : 1-5-10-20-50-100-200A/5A. Variable auto transformer: For smooth variation of current output at various ranges selected. Tripping circuit: The current output will be cutoff incase of any overload for the range 200A or even if the relay under test actuated.
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Circuit Breaker Timer Kit
CBT-Eco
*Input Supply: 230 V ± 10 %, AC, 50 Hz, 1 Phase (Ground must).*Display: 16 X 2 Big size LCD display with backlight.*Accuracy : Class 0.5*Resolution: 1 milli second*Count: 1 to 9999 milli second*Operation: Accurate Measurement for Close and Trip Command for BreakersThrough Trip-Free Operation C-O-C timing can be measure accurately.Up to 99 No. of Bounces for Close Operation on all three Pole can be count.(Model: CBT CP)Measure timing up to 7 numbers of Bounces on all pole.(Model: CBT CP)Reset for Next Measurement.Indicate the Status of Pole (Close /Open) during start of Test on LCD Display.*Front Panel : Operation Guide Sticker Plate, and Connectors. .(with Printer on Model: CBT CP*)Housing : Aluminum Carrying Case Enclosure.*Accessories : Mains Power Cable, Probe set of 5 MTR long, computer Interface cable for connecting with PC or Laptop and Bag. (Optional), User’s Manual and Test Report.*AVAILABLE MODEL:· Model: CBT CP, with PC Interface and software.· Model: CBT P, without PC Interface and without Software.
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Field Calibrator of Three Phase Energy Meter
SY3640
Hong Kong Songyang Industrial Ltd.
SY3640 three phase energy meter field calibrator is a high precious three phase energy reference meter; it uses the advanced technology and latest electronic components available in the world, and use high speed DSP as the main processor to ensure the accuracy and long time stability.
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Motor Diag & Protection
Phase Sequence and Motor Rotation Meter
*Phase Sequence and Motor Rotation meter detects live phase and sequence orientation of three phase power sources and industrial equipment conductors to ensure proper installation.*Motor rotation function identifies rotational direction of industrial equipment such as motors, compressors and generators.*Non-Contact Motor Rotation feature determines rotation of running single-phase and three-phase motors without the use of leads.
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NI-9242, 250 Vrms L-N, 400 Vrms L-L, 50 kS/s/ch, 24-Bit, 3-Phase C Series Voltage Input Module
783107-01
250 Vrms L-N, 400 Vrms L-L, 50 kS/s/ch, 24-Bit, 3-Phase C Series Voltage Input Module - The NI‑9242 performs single-ended analog input. The wide measurement range makes it ideal for high-voltage measurement applications such as phasor measurements, power metering, power quality monitoring, standard potential transformers, and motor test. You can also perform transient and harmonic analysis with high-speed simultaneous sampling. The NI‑9242 offers three channels, so you can connect single‑ or three‑phase measurement configurations such as WYE and delta.
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Regenerative Grid Simulator
61800
Chroma Systems Solutions, Inc.
Power rating: Up to 300kVA, single or three phase outputOutput Voltage: 0~330V L-N / 0~570V L-L0~400V L-N / 0~692V L-L opt. without using a transformerOutput Frequency: DC, 30Hz~100HzMaximum power delivered down to 200VAC L-NFull 4 quadrant, fully regenerative up to 100% of output current ratingSpecifically designed for PV inverter, Smart Grid and EV related test applicationsProgrammable slew rate settings for voltage and frequencyProgrammable voltage and current limitsTurn on, turn off phase angle controlLIST, PULSE, STEP mode functions for testing Power Line Disturbance (PLD) simulationVoltage dips, short interruption and voltage variation simulationHarmonics, inter-harmonics waveform synthesizerComprehensive measurement capability, including current harmonicsAnalog programmable interfacesRemote interface: GPIB, RS-232, USB and EthernetParallel output for higher power applications (three phase only)
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Transformer Winding Resistance Meters
TWA Advanced Series
The TWA advanced series instruments are designed for six-winding resistance measurement and simultaneous three phase on-load tap changer analysis of both the primary and the secondary transformer windings. This is performed with a one singlestep cable setup, with test currents of up to 40A. Each transformer configuration has a special measurement algorithm which is optimized for the fast stabilization of test results. The TWA instruments generate a true DC ripple-free current. Both the injection of the current and the discharge of energy from the magnetic circuit are automatically regulated.
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Universal Clamp Tester
M-310
MULTI MEASURING INSTRUMENTS Co., Ltd.
*The unique U type CT enabled to measure the load current of single or three phase cable without separating the cable to the wires.*Leakage current measurements with least affection from the external magnetic field.*Wide current measurements.(AC0.01mA-300A)
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Distribution Transformer Test System
DTTS Series
Shanghai Jiuzhi Electric Co., Ltd.
The DTTS Series Distribution Transformer Test System are self-contained test sets incorporating all features necessary for testing single and three phase distribution transformer.
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Three Phase Prepaid Meter DTSY999
Bofa Instrument & Equipment Co., Ltd
DTSY999 single phase is new age intelligent instrument, combination advanced integrated solid technology and SMT crafts. The performance accords with International Standards IEC1036 They feature advanced principle, simple construction, high accuracy and sensitivity, long service life, strong overload and anti-power theft, alarming of remainder, storing data over 20 years, setting secret, etc.
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Close Link Three Phase Energy Meter Test Bench
SY8320E
Hong Kong Songyang Industrial Ltd.
Close-link and ordinary calibration both can be used, ordinary calibration can be used to test single/three phase active and reactive energy meter (up to 0.5 class),close-link calibration can be used to test single/three phase active and reactive energy meter (up to 1 class)
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Voltage Voltmeter
Voltstik
The Voltstik is a distribution voltage voltmeter designed for use on lines and in substations. This meter is employed onto a line by using a hot stick and universal chuck adapter. It is capable of measuring voltage phase to phase, and phase to ground. This high impedance instrument is an excellent choice for solving multiple problems associated with operating a medium voltage system. Its key applications are defined under three groups, safety confirmation of the voltage present, troubleshooting voltage problems, and phasing.
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Three Phase Load Bank
REOLOAD 310
A three phase load bank rated for 48kW, with fan cooling. The front panel layout includes a switch panel for configuring the separate resistor modules to give the required resistance and current range. There are also digital panel meters for displaying the phase voltages and currents. An interface for PLC control is also provided.
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AC Source
AFV
The AFV Series is a broad line of programmable three phase AC power sources. With Power levels ranging from 15kVA up to 2MVA, the series powerful FPGA+ARM based controller offers precise voltage and frequency conversion with power disturbance generation capability. Power is supplied by state-of-the-art IBGT pulse-width-modulated power amplifiers resulting in highly efficient power conversion, compact design and maximized performance.
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Three Phase Relay Testing
Our comprehensive and intuitive relay software speeds up testing times with a vast library of pre-defined test regimes or manual operation.
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Energy Analyzer
EP600i
The EnergyPro EP600i is portable and easy to use. Perfect for single phase or three phase energy consumption analysis and basic power quality monitoring. It supports standard wiring configurations and comes with a set of 1A - 2500A WideRangeFlexCT ™. The graphics display makes setup very easy and intuitive - you can setup and record data without looking at the manual!
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Transformer Rectifier Assemblies
Transformer rectifier assemblies are very useful in OEM applications when unregulated DC output is required. Input power can be single-phase or three phases. With single-phase input power, the output ripple is 50%. With three-phase input power, the output ripple is 5%. A 5% output ripple is a clear advantage. Hence, transformer rectifier assemblies with three-phase input power are more popular. Circuit breakers, fuses, voltmeters, and ammeters can be added per customer requirements. The assemblies can be an open frame or inside an indoor enclosure.
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Secondary Current Injection Test Trolley
SCR ELEKTRONIKS have developed SECONDARY CURRENT INJECTION TEST TROLLEY for Switchgear items, CT manufacturer and where three phase current application is called for. It is low Voltage, 3 phase Current source with control circuitry, digital read out for test current and trip time measurement. We can select different CT ranges for each phase independently and adjust the current as per the required test Current.
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Three Phase Closed I-P Link Energy Meter Test Bench Type KP-S3000-B
Bofa Instrument & Equipment Co., Ltd
Three phase closed I-P link energy meter test bench, type KP-S3000-B, is designed for testing three-phase energy meters, especially for testing Closed I-P Links three-phase energy meters. It is an ideal testing equipment for energy meter factory or R&D institute. All the testing procedures can be automatically operated by PC or by Keyboard manually.
