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Fault Passage Indicator for Lines
LineTroll R400D
LineTroll R400D Fault Indicator indicates earth- and short-circuit faults and can distinguish between permanent and transient faults. The indicator has two sensors and use both the electrical field and the magnetical field to detect faults on all three phases.
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Single Phase And Three Phase Ageing Bench Type KP-S31000
Bofa Instrument & Equipment Co., Ltd
This ageing bench is used for ageing single phase energy meter and three phase emergy meter in meter manufacturer. It consists two parts: Power source and meter rack (single phase and three phase), usually we sugest 1 power source + 9 single phase meter rack (96 positions each) or 6 three phase meter rack (48 positions each).
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Variable Frequency Drives (VFD)
High performance, cost effective VFDs, ideal for both machines & process control.Unitronics VFDs offer options for both single and three phase VFDs from 0.4 kW and up to 500 kW.Unitronics VFDs can be used as a stand-alone product, or as part of a complete All-in-One package with our controllers.
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Power Sources
GF303
Beijing GFUVE Electronics Co.,Ltd.
GF303 Program-controlled three phase AC standard power source is a high precision three phase AC standard current source and AC standard voltage source.
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Powertest Relay Test Software
For all the three phase or six phase relay testers of PONOVO, one universal software can be used, the name is PowerTest software.
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Three Phase Portable Energy Meter Test Instrument Type KP-P3003-C
Bofa Instrument & Equipment Co., Ltd
Three-phase portable energy meter test instrument type KP-P3003-C with current and voltage source is an ideal device to test all kind three-phase energy meters accuracy below 0.2. The equipment can generate 3-phase voltage, 3-phase current and any power factor signal, the standard meter inside the equipment is class 0.05. The equipment is box structure, light, and easy to carry, it is very convenience to test meters on site, moreover the equipment can be used for testing meter in meter manufacture and as testing equipment in R&D institute.
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Fully Automatic Close Link Three Phase Energy Meter Test Bench
SY 8320
Hong Kong Songyang Industrial Ltd.
Suitable design, good figure. The frame for meters and the body frame are fully made by special aluminum alloy. The table board is composed of fireproofing and heat-proof fiber materials. The whole device is in soft color and good figure.
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Voltage Recorders
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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Three Phase High Precision Reference Standard Energy Meter
SY3102
Hong Kong Songyang Industrial Ltd.
There are three ports for pulses to output. And its constants can be set automatically or manually. Types of constants can be set also: active power, reactive power, apparent power, voltage, and current.
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Three-Phase Relay Protection Tester
GDJB-PC
Chongqing Gold Mechanical & Electrical Equipment Co.,Ltd
1.GDJB-PC Universal Secondary Injection Relay Test Set is applied to test the relay unit in relay protection system. 2.At the same time GDJB-PC Universal Secondary Injection Relay Test Set could be considered as a universal three phase AC/DC voltage source or current source. 3.It can work alone or connected to computer, inside the relay controller there are new speed digital signal mini PC and real DAC (Digital-to-Analog Converter) template with new high fidelity and high power, the machine has large panel screen and rotating mouse. It is small in volume, high precision.
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Data Logger
Our product range includes a wide range of Three Phase Energy Data Loggers (EVL-3.), Six Channel Temperature Logger, Three Phase GPRS Meter, Humidity Logger and Temperature Logger.
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Power Divider, DC to 50 GHz
11636C
The Keysight 11636C is a DC to 50 GHz power divider that provides highly accurate direct power dividing and combining. Excellent phase and amplitude tracking ensure accurate impedance matching of all three ports, which improves the fault location measurement by reducing re-reflections and intermodulation distortion.
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SCR Controller with Regulator
The SCR Controller and the Regulator Board are used in SCR controlled power supplies.CEHCO offers single phase and three phase SCR Controllers with Regulator Boards.
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Instrument Transformers Tester
TE30
Calmet Smart Calibration Devices
Electricity meters tester class 0.05 and 0.1. Three phase tester of current transformers and analyser of power network quality. It makes possible electricity meters testing on the site or in the laboratory.
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Programmable Wide Frequency AC Power
PWF series
The PWF series is a family of programmable AC power source with wide range of adjustable frequency, developed for aerospace or military’s 400Hz and 800Hz test applications, such as lab use, compliance test, and quality assurance. The PWF series consists of L series and M series, which have different output frequency range. L series provides 45~500Hz and 0~300V output, and M series provides 300~800Hz and 0-150V output. Users can select communication interfaces of RS-485, RS-232, and optional GPIB. The PWF series also have programming sequence functions of STEP and GRADUAL modes, three phase independent control, phase angle control, and disturbance function.
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High Performance Power Analyzer
AFM-8A
Chuan Sheng Electronics Co., Ltd.
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 2~6...show more -
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Three Phase Voltage Disturbance Recorder
PQR 2020
The PQR 2020 is a Three Phase Voltage disturbance detector and recorder. This device is designed to be connected to a single phase 120V or 240V AC line or a Three Phase 208/240/480 Volt AC line and will monitor these lines for voltage disturbances.
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Power Quality Testing
Weshine Electric Manufacturing Co., Ltd
Transformer K Factor, Power factors(PF)and displacement factors, Short-term voltage flicker, .Three phase unbalance (Current and Voltage), Waveform real-time display(4 channels voltage /4 channels current) True RMS values of voltages and currents
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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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Bus Differential System
B30
The B30 features integrated protection, control and metering for MV, HV and EHV busbars, providing cost effective, feature-focused busbar protection. Use the B30 to protect busbars with up to 6 feeders with up to two three phase differential zones. The B30 is a cost effective alternative to high impedance schemes, ideal for breaker-and-half bus schemes, with integrated feeder backup protection and metering
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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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Grounding Transformers [ZN (Zigzag), ZNyn, YNd(open), Ii0]
Grounding Transformers are designed for providing an artificial neutral point for ungrounded three phase power systems. During the line-to-ground faults, grounding transformers provide an easy path to ground faults to limit the fault currents and transient overvoltages.
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Transformers
Chengdu Mengsheng Electronics Co., Ltd.
As a leading transformer manufacturer, DOREXS is committed to providing a variety of high-performance standard and customized transformers to meet the power needs of various industries.DOREXS has a professional R&D design team and advanced production technology to ensure that our transformers are at the forefront of the industry. At the same time, they are strictly produced in accordance with international standards to ensure that the performance and stability of each transformer are maximiz...show more -
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Portable Three Phase AC Voltage and Current Source
GF303D
Beijing GFUVE Electronics Co.,Ltd.
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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Three-Phase Transformer Winding Resistance Meters
TWA Standard Series
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...show more -
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Meter Test Board
MTB-3200
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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AC-DC Power Supply Solutions
Advanced Conversion Technology, Inc
From single to three phase inputs, 60 Hz or 400 Hz, ACT can provide you with a design to meet your demanding applications. ACT can also provide designs that incorporate an active PFC front end, single and three phase, which provides less than 3% total current harmonic distortion.
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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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Portable Three Phas Multifunction Electric Meter Calibrator
GF312V2
Beijing GFUVE Electronics Co.,Ltd.
GF312V2 portable three phase multifunction energy meter calibrator is with comfort design, small size, and light weight. It is suit for electric power departments, measuring and quality examining departments and electric lab to field use.
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Three Phase Multifunction Static kWh Meter
SY 1065
Hong Kong Songyang Industrial Ltd.
This kind of meter integrates many functions into one, realizes the functions of time-sharing electricity measurement for active double-direction, measuring demand, sinusoidal reactive, calculating power factor, displaying and tele-transmitting present voltage, current, power and load curve etc. and it realizes the function of recording all the missing voltage, missing current and the percent of pass for voltage,
