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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
Our PXI Function Generator is capable of generating sine, square and triangle waveforms to 10MHz with 48-bit frequency resolution referenced to the 10MHz PXI clock or to an external standard. It can generate fast swept frequency signals, permitting the output to emulate the operation of variable speed devices. The module can also generate arbitrary waveforms loaded into its internal 256k memory, allowing the emulation of many waveform types including the typical waveforms of automotive and aerospace sensors.
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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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Automatic Three Phase Transformer Ratio Meter
*For automatic measurement of ratio & phase angle deviation. *Digital presentation of ratio & phase angle deviation. *Ratio range of 0.2 to 199.99 to 1 in three ranges. *Automatic polarity indication. *High accuracy and resolution Accessories: Range Extender 1:10
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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 2~63 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.
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SCR CONTROLLED DC POWER SUPPLY
PS Series
Variable DC power supplies are AC to DC power supplies with a variable DC output. The output can be varied with an SCR controller. The AC input power can be single phase or three phases. With single phase AC input, the DC output ripple is very high (50%). With three phase AC input, the DC output ripple is low (5%). This would be a key benefit for selecting three phase AC input instead of single phase.
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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 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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Three-Phase Relay Tester
PTE-50-CET
The equipment comprises of three independent output channels that can be selected as current or voltage. This enables the unit to be used as a complete single-phase equipment (voltage, current, and phase angle between them) or, with channels synchronised, as a three phase current or three phase voltage generator from a single phase mains input.
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Three Phase Meter Test Bench
Supreme Instrument Laboratories
Three phase meter test bench suitable for calibration & testing of AC Ammeters, Voltmeters, Single phase Energy Meters, Watt Meters, Power Factor Meters, Three Phase Two Wire & Three Phase Four Wire Energy Meters Trivector Meters, Maximum demand indicators, of active & reactive systems, Three phase 3 wire & 4 wire watt meters, Var Meters, Power Factor Meters etc.
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Motor Protection Relay
239
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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Flexible Rope-Type Current Probe
RCT1A and RCT5A
These probes have great bandwidth ensuring accurate measurement even with harmonically distorted wave shapes. For all RCT1A/RCT models, a NIST, NAVLAP, NPL (UKAS) factory traceable calibration certificate and certificate of conformance is supplied. UL/CSA approved materials are used throughout. Three phase and single phase flexible AC current sensors (rope sensors) are available for fast installation in confined spaces, eliminating the need for Electrical Supply Shutdown. Available outputs are 1A @ 2.5VA and 5A @ 0.5VA, this means long cable lengths from current sensor to signal conditioner allow these low VA ratings to be used, even when feeder cable to energy meter distances are large (up to 98 feet / 30 meters)
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Three Phase Power Meter
929A
Model 929A Three Phase Power Meter is an economical alternative to both the Model 931A Power System Analyzer and the Model 930A Three Phase Power Analyzer when serial communication, dc voltage measurement, transducer calibration and timer features are not required. The Model 929A has the same ac accuracy as the Model 931A with PowerDSA™ Digital Signal Analysis, and is a complete diagnostic tool for use in the substation and industrial power environment.
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Air Core Line & Load Reactors
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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Phase Sequence Indicators (Contact Type)
865 PR
Standard Electric Works Co., Ltd
● The 865 PR is a detector with LEDs to show the de- tection better visible than neon. ● Three functions in one unit, including open phase, phase sequence and 3 phase motor rotation.● Designed for checking a wider range of 3 phase power source from 100V to 600V.● Indicates R.S.T LEDs which frequency range from 40Hz to 400Hz.● Wide range detection of motor frequency range from 2Hz to 400Hz.● Fixed magnets for convenient measurement.
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Three Phase Din Rail Energy Meter Type DTS999D
Bofa Instrument & Equipment Co., Ltd
Three phase DIN Rail energy meter type DTS999Dis a new type of three phase electronic energy meters, which completely accords with international standard IEC61036. It can display energy consumption by stepping-motor counter or LCD. It features good reliability, small volume, light weight and convenient installation.
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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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Test & Measurement Cables
Our test & measurement cables provide customers with a competitive edge over ordinary cable designs by addressing three important criteria for testing electronic components and systems: phase stability, insertion loss stability and repeatable measurements for the cable’s useful life.
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High Power AOD Driver
The Acousto-Optic Deflector (AOD) RF Driver is a three channel, three phase high power driver amplifier intended to drive devices such as the Harris H-902. The driver accepts a single low level RF input and produces three high power phase shifted outputs. The driver features adjustable gain, power monitoring, and programmable automatic protection features. The exceptional linearity and headroom allow the use of multi-tone and complex waveforms with minimal distortion.
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Programmable AC and DC Power Source
AFX Series
The AFX Series is a family of high power, single, split and three phase, AC, DC and AC+DC output capable Power Sources. Available models range from 6 kVA to 90 kVA with available configurations to 150kVA. Using a modern user interface for ease of use, the AFX Series is cost effective and fully programmable for both basic frequency conversion and advanced AC power line or DC power disturbance test applications.
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Semi-automatic Three-phase kWh Meter Test Bench
SY8310
Hong Kong Songyang Industrial Ltd.
The new SY8310 series semi-automatic three phase energy meter test board, designed according to International Standard, is a newly developed ideal measuring equipment for energy meters. The equipment can be operated easily through test board button to preset directly all data of meter under test and test process.
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Three Phase Multi-Function Meter Type DTSD999
Bofa Instrument & Equipment Co., Ltd
Measure total active energy、total reactive energy、forward active& reactive energy、 reverse active & reactive energy and total four quadrants reactive energy and time of sharing energy
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Advanced Three Phase Automatic Relay Test Sets
MP 3000 Series
Advanced three phase automatic relay test set. PC control through user friendly MPWIN Relay Test Software. High accuracy and high power over wide range. Suitable for IEC61850 GOOSE simulation, subscription and sampled value publishing. CE, FCC.
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NI-9244, 400 Vrms L-N, 800 Vrms L-L, 50 kS/s/ch, 24-Bit, 3-Phase C Series Voltage Input Module
783106-01
400 Vrms L-N, 800 Vrms L-L, 50 kS/s/ch, 24-Bit, 3-Phase C Series Voltage Input Module - The NI‑9244 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, industrial machinery, and motor test. You can also perform transient and harmonic analysis with high-speed simultaneous sampling. The NI‑9244 offers three channels, so you can connect single‑ or three‑phase measurement configurations such as WYE and delta. You can incorporate the NI‑9244 into systems to meet standards such as IEC 61010‑1, C37.90 and C37.60, IEC 60255‑22‑(1:7), IEC 60255‑1, C37.188 Class M and P, EMC section of IEC 60870, EMC sections of IEC 61850, IEC 61000‑4‑30 Class S, and IEC 61000‑4‑7.
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Transformer Turns Ratio Meter
TTRM 301
SCOPE introduces state of the art precision three phase Transformer Turns Ratio Meter (TTRM ) designed for field testing as well as factory testing of power transformers, instrument transformers and distribution transformers of all types. Along with turns ratio, this light weight and reliable instrument measures ratio deviation, phase angle deviation, magnetizing current and detects tap-position of single as well as three phase transformers in charged switchyard condition. The instrument has facility to automatically detect vector group of all majority configurations available. The differant AC voltage selection offers high accuracy in measurement.
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Three Phase Power Monitoring
PRÜFTECHNIK Condition Monitoring GmbH
A three-phase power monitor detects changes in electrical variables. With power monitoring on your assets, you can help reduce wear and damage, while also identifying what’s causing it. The Fluke 3540 FC three-phase power monitor can be used remotely or through a stationary connection.
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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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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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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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Three-Phase HV Vacuum Contactors & Circuit Breakers
B-1005/6
*Three Phase*Upright or Low Profile for High Reliability*½ to 2 Cycle Trip & Interrupt*208V to 38kV Operate*200 to 1,200A Continuous*2,000 to 28,000A Interrupt*Line or Energy Storage Close & Trip*Ideal for High Power Electronics*High Speed Sealed Arc Interrupting*High Speed Crobar Shorting*Compact, Light Weight*Long Life*Minimum Reignitions*Minimum Restrikes
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Display Unit For The Bluetooth Connecting Instrument
MDU-200X
MULTI MEASURING INSTRUMENTS Co., Ltd.
・Can be connected to HCL-36UX/HCL-7000X/ALCL-80X (As of Aug 2, 2022)・Data hold function available・Record function available・Recorded values can be saved in 4 spaces for Three phase 4 line measurement・The measured value can be displayed remotely and separately from the display of the measuring instrument・Easy to read large display
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Advanced Line Protection System
ALPS
ALPS is a multi-function digital protective relay system intended toprovide distance protection for HV or EHV transmission lines. It maybe applied on or adjacent to series compensated lines. It is availablefor single or three phase tripping applications. Typical operatingtimes are to 1 cycle.
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Pole Mounted Detector of PtG and PtP faults in 6-69V Line
LineTroll 111K
The unit mounts 3-5m below the conductors and monitors all three phases. The indicator is powered by replaceable long-life lithium batteries which have a lifeexpectancy of 10-15 years. It provides a 360 degree visibility for indication both for transient faults and permanent faults.
