Three Phase
Three voltage waveforms at 120°,1/3 of a cycle offset in time.
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Product
Three-Phase Meter Test Equipment
ASTEL 3.2 TYPE
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ASTeL 3.2 meter test equipment is a fully automatic system that enables simultaneous, multi-position calibration and verification of three-phase electric energy meters. ASTeL 3.2 offers full compatibility with IEC 60736. Thanks to excellent parameters, superior functionality and outstanding flexibility, ASTeL 3.2 is an ideal solution for utility companies, energy meter manufacturers, governmental institutes of metrology, metrological laboratories, and other customers interested in electricity meters testing.
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Product
Motor Protection Relay
239
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The 239 relay is designed to fully protect three phase AC motors against conditions which can cause damage. In addition to motor protection, therelay has features that can protect associated mechanical equipment, give an alarm before damage results from a process malfunction, diagnose problemsafter a fault and allow verification of correct relay operation during routine maintenance.
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Product
Transformer Rectifier Assemblies
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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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Product
Three-Phase Transformer Winding Resistance Meters
TWA Standard Series
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When it comes to winding resistance measurement on three-phase power transformers and autotransformers, TWA Standard series offers some of the most technically advanced instruments with LCD display in the market. Both models are capable of testing six transformer windings with a one-time cable connection, as well as three-phase automatic transformer demagnetization. The stored magnetic energy is safely automatically discharged at the end of the test. The built-in tap changer control unit enables automated test mode, where the instrument operates the tap changer without operator input and records winding resistance results based on pre-selected stabilization criteria. This option makes the operator’s job significantly easier.Both models can output test currents from 5 mA to 25 A DC for the purpose of winding resistance measurement. TWA40D has a special test mode for checking the synchronization of on-load tap changers with three phases simultaneously tested in parallel, in which the total test current can rise to up to 40 A DC.TWA40D has additional advantages when it comes to non-intrusive tap changer analysis. The unique DVtest method enables checking the moving contacts of on-load tap changers during the transition, measuring the transition time, detecting open circuits, and many other types of faults. It is performed with 0.1 ms sampling rate, simultaneously with the measurement of tap changer motor current which helps with the detection of motor and mechanical issues. A special proprietary algorithm is used for testing tap changers connected through a built-in series (booster) transformer. The DVtest can be performed either on one phase or on three phases simultaneously. It can also be performed as an additional test simultaneously with the winding resistance test in all tap positions.An additional unique advantage of TWA40D is the capability of simultaneously testing the winding resistance of all three phases of a three-phase transformer (connected in a YN configuration). This can significantly shorten the total testing time – for example, it enables the operator to perform 33 measurements instead of 99 on a tap changer with 33 tap positions.The test leads for TWA three-phase transformer winding ohmmeters are interchangeable with the TRT turns ratio testers, which means that both sets of tests can be performed with a single test lead connection to the power transformer terminals.
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Product
Three Phase Protector
KPB1
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Konstar Electric Industrial Co., Ltd
If have one pase voltage is too high or two low or pahse lose or wrong phase sequence, the protector will cut off the power, and the new power supply, it will have 5s-300s to restart the equipment in order to protect them.Suitable for the engineer, and equipment and three phase equipment.
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Product
LV Iron Core Line & Load Reactors
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Line and load reactors are generally serial-connected to the input and/or output terminals of three phase equipment such as motor speed controllers, inverters and UPS systems. These equipment make use of semiconductor switches such as IGBTs, thyristors, and diodes and therefore create harmonic distortion and high switching over-voltages (dv/dt). Use of such equipment has been becoming more widespread as the technology advances. However, the negative effects of these equipment should not be overlooked.
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Product
902 Three Phase 30A
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Weshine Electric Manufacturing Co., Ltd
1. It has the function of software self calibration, which avoids opening the case to calibrate the accuracy by adjusting the potentiometer, thus greatly improving the stability of accuracy.2. This Windows XP system has its own recovery function to avoid system crash caused by illegal shutdown or misoperation.
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Product
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
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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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Product
AC Current Sensor
RCTi and RCTi 3ph
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The RCTi & RCTrms sensors convert ac current to an isolated 0-5V voltage or 4-20mA current loop. TA5V-5A allows compatibility with existing 1A or 5A CT metering circuits. Both offer a choice of proportional (rms) and instantaneous outputs. The available RCT current ranges are 0-100A to 0-50,000Apk. Both RCTi and RCTrms provide accurate measurement over a wide bandwidth ensuring precise measurement even with harmonically distorted wave shapes - using a flexible clip-on sensing coil. The RCTs are available as single and three phase models.
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Product
Universal Clamp Tester
M-200
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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.33mmφCT window and ultra compact size.Data-hold function. Especially useful when working in dark or hard to get areas.
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Product
Voltage Recorders
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Voltage Optimisation & Voltage Stablisation have become popular; the Electrocorder range of single & three phase Voltage portable Recorders are extensively used in this area as well as supply voltage analysis.
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Product
Meter Test Board
MTB-3200
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Run standard meter accuracy tests and complex meter accuracy tests under widely varying loading conditions with TESCO’s Meter Test Board (MTB-3200). TESCO’s Three Phase Meter Test Board (MTB-3200) is an innovative meter accuracy test system offering unsurpassed functionality and ease of use. All of the features needed to test meters today and tomorrow are standard.
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Product
Relay Tester
LET-4000-R
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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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Product
Intelligent Digital Power Meter
9800N
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Shenzhen Chuangxin Instruments Co., Ltd.
RK9800N series intelligent digital power meter can simultaneously measure the single and three phase electrical equipment’s voltage, current, power, power factor, frequency, and harmonic parameters etc. It’s widely used in motor, household appliances, electric tools, water pumps, transformers, power supply, lighting, electricity and other fields.
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Product
Three-Phase Test System
TESTRANO 600
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TESTRANO 600 is the world’s first portable, three-phase test system which supports all common electrical tests on single- and three-phase power and distribution transformers for routine and diagnostic testing on-site or during factory acceptance tests (FAT).
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Product
Three-Phase AC Power Source 320 Vrms, 18 KVA, 550 Hz
AC6918L
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Keysight’s AC6900 Series three-phase power sources provide a complete AC and DC power solution by combining the capabilities of a multimeter, harmonic analyzer, and power analyzer in one instrument.
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Product
Calibration Pulse Processor
2401
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TESCO’s Calibration Pulse Processor (Catalog No. 2401) adapts to any Next Generation three phase test board to directly calibrate with three independent single phase standards.
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Product
Three Phase Power Calibrators And Tester Of Power Engineering Devices
C300B
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Calmet Smart Calibration Devices
Three phase, class 0.02 and 0.05 power quality calibrator up to 120A (360A) and 560VAC with programmable power quality parameters. It makes possible to make automatic test of electricity meters, measurement transducers, current transformers and protection relays.
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Product
Three-Phase Network Analyzer
NET VISION 2010
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NET VISION 2010 is a portable device designed for a quick and precise measurement of the electric values of a three-phase network. It is used by power engineers for check of AC motors, relay current protections, electricity meters, etc.
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Product
Test Equipment
Rotary Field Checker
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Smart Three Phase Rotation Tester. Test Leads. Phase Rotate Tester is a 3 phase tester to identify the correct connection from the power supply. Also, it can identify the missing phase of the power supply too.
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Product
High Impedance Busbar Differential Relay
MIB
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The MIB, a member of the M II family of economical and highly functional digital protection relays, is a microprocessor based relay that provides three phase high impedance differential protection for Substation Bus-bars of any voltage level. Use the MIB also to protect electrical machines like transformers, generators or motors against restricted earth faults.
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Product
Three Phase Tester
4200
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Peaceful Thriving Enterprise Co Ltd
*Fast and accurate measurement.*Portable and compact design, easy to carry.*Efficient, effective, reliable, easy and safe to use.*Two function in one unit. Including open phase and phase sequence.*This is idea for installing conveyor lines, pump systems and interconnected drivers.*Indicate phase orientation (clockwise or counter-clockwise) and whether each of three phases is live.
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Product
Power Quality Analyzer
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Power quality analyzer is a product carefully developed by our company and specially designed for field test of three phases, multi-functional and intelligent, man-machine operation and concise and comprehensive test instrument. It is easy to use, large LCD screen display, high resolution, interface in both Chinese and English, shock-proof shell structure and so on. Can simultaneously measure the 4-channel current (ABC three phase and neutral wire current), 4-channel voltage (ABC three-phase voltage and neutral line voltage to ground), the peak value of current voltage, maximum/minimum value over a period, three-phase imbalance factor, short-time voltage flicker, transformer K factor, active power, reactive power, apparent power, power factor and displacement power factor, active power, reactive power, apparent power, total harmonic distortion and harmonic, etc; Display real-time waveform, harmonic ratio bar charts of current voltage; Dynamically capture instantaneous change of voltage current, monitoring starting current, monitoring the power parameters and generate the alarm list, generate the trend chart for a long time record test data.
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Product
Universal Three-phase Protective Relay Test Set
Mentor-12
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The Mentor 12 is the most advanced three-phase relay test set available for type and field testing of electromechanical and digital protections of any kind, in traditional or IEC-61850 based substations.
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Product
Stand-alone Three-phase Protection Relay Test Set
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Weshine Electric Manufacturing Co., Ltd
Universal Auto Low Price 3 Phase Relay Protection Tester, 3 Channels ,40A/450VA Three-Phase Parallel 120A, 3 Channels, Each Channel ±10A/200VA
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Product
Programmable AC Power Source
LSX Series
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The LSX Series consists of a range of fully featured, single and three phase AC Power Sources. Available models range from 1.5kVA to 6kVA with an advanced programmable controller sporting a color touch screen user interface. Cost effective and fully programmable for both basic frequency conversion as well as advanced AC power line disturbance test and ATE applications. For applications not requiring advanced features, a basic function set M version of the LSX is available as well.Note: The LMX Series is not CE marked yet at this time.
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Product
Three Phase Transformer Ratio Meter
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*Three phase lead switching network. *Excitation current meter Accessories: Range Extender 1:5
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Product
Motor Protection System for Medium to Large Motors
M60
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The M60 Motor Protection System offers comprehensive protection and control solutions for medium to large sized three phase motors. The M60 includes advanced automation and communication capabilities, extensive I/O options, and powerful fault recording features that can simplify postmortem fault analysis and help minimize motor downtime. As part of the UR Family, the M60 provides superior protection and control.
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Product
Power Stabilizers
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Manufacturer of a wide range of products which include 100 KVA Power Stabilizer, Three Phase Power Stabilizer, Electric Power Stabilizer, Industrial Portable Stabilizer, 50 KVA Power Stabilizer and 100 Kva Power Stabilizer.
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Product
High Performance Power Analyzer
AFM-8A
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AFM-8A has Developed for AFC*(Auto Frequency Control) high performance measurement and frequency update, its update up quickeer than 100mSec. multifunction power analyzer provides high-accuracy measurement and is designed for single phase and three phase application. It includes 4 Digital inputs, 4 Relay outputs, and a RS-485 Modbus RTU Communication port. The user can choose one more communication port, and 2 Analog outputs for output expansion.It provides measure voltage and current of the 2~63 harmonic, and it shows CO2 emissions, which is suitable for power monitoring, management and analyze power quality. It has TOU (time-of-use) function and 4MB Flash memory capacity, allowing users to record data for a long time. It also has a software line adjustment function to reduce the on-site line adjustment work.It has the functions of waveform capture and recording, power record, and event record, which can be used for multifunction power analyzer.
