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Product
SCR Rectifiers
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SCR-controlled rectifiers are electronically controlled via analog signals for constant voltage and current control. The compact and service-friendly design complies with high industrial requirements and guarantees excellent operational reliability.The input voltage can be from 208 VAC to 600 VAC, 3 PH, 50/60 Hz. Maximum output voltage can be from 6 VDC to 600 VDC. Maximum output can be from 1000 Amps to 100000 Amps. These units can be air cooled, water cooled or oil cooled.
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Product
Traction Test Rectifiers
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A traction test system is defined as a rectifier with a DC output voltage above 400 VDC to a maximum of 4,500 VDC. (Kinetics manufactures only air-cooled systems) A Kinetics test system includes the required OSHA designated safety features for testing power supplies as a minimum for operator interface.
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Product
Power Rectifiers & Converters
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Aspiro rectifiers provide a nominal 48V output rated at 400W, 800W, or 1200W with efficiency up to 95%.● BLUEstreak offers 12V, 24V, and 48V rectifiers at a range of power levels from 1360W to 2000W.● Guardian rectifiers provide a nominal 48V output at 2000W, 2500W, or 2900W at efficiency up to 96%, while a 24V model is rated at 2000W. The family also includes a 1500W DC-DC converter with a 48VDC input and a 24VDC output, as well as a 60A solar PV converter (hybrid converter).● Radian offers 12V, 24V, and 48V rectifiers at a range of power levels from 600W to 1360W.● Sageon rectifiers include both 24V and 48V models rated from 440W to 2400W.
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Product
Ultrafast Rectifiers
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The ST rectifier diode designs deliver performance for applications with very different VF/Qrr trade-offs depending on targeted functions. The minimal power losses of the ST rectifiers range is totally adapted to mains rectification, bypass, boost, bootstrap, freewheel and HF rectification functions. Inside these generic functions, the topology evolution in e.g. resonance or multilevel is followed constantly by suited designs. Ultrafast rectifiers are belonging to the STPOWER family.
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Product
Anodizing/Electroplating/Metal Finishing DC Rectifiers
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CEHCO can supply Anodizing / Electroplating / Metal Finishing DC Rectifiers. We offer standard products and customized solutions.
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Product
12 Pulse Diode Bridge Rectifiers Inside Fiberglass Plenums, P/N 5872C4-2
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- 12 Pulse Diode Bridge Rectifier, P/N 5872C4-2- Each diode is rated for 60 Amps, 1800 Volts peak- Dimensions: 50″L x 40″W x 20″H approximately- Four 10″ fans are used for coolingFour 10″ fans will force cool from the bottom of the Plenum. 12 diode assemblies (each diode consists of nine diodes in series are integrated together inside the Plenum). The output is rated for 3000 VDC, 80 Amps.
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Product
Selenium Rectifiers
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Selenium rectifier stacks are made up of selenium cells, which are mounted together and circuited as required for each application. They are available in configurations to suit all of the rectifier circuits.CEHCO is a leader in supplying selenium rectifier stacks. We are selenium rectifier replacement specialist. In fact, the company can assemble and deliver any selenium rectifier in 48 hours or less. And the stacks contain extremely high-quality, high-density, vacuum-processed cells to ensure uniformity, stability, and long life.
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Product
Linear Power Supplies
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PeakTech Prüf- und Messtechnik GmbH
Is a component that provides power to an electrical device. The simplest design of power supply is the linear power supply, which uses a transformer and a rectifier to convert voltage from a wall outlet into the type of power the device needs.
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Product
Power Discrete Tester
Mostrak-2
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M2 test system has multiple test generators which cover static and dynamic test procedures. It is our first truly modular tester which allows for the system to be upgraded and expanded when needed. M2 are designed to get the tester as close as possible to the handler interface and operator at the highest possible speeds. M2 is capable of HV (3 kV) and LV (600A) testing and has dynamic switching capabilities up to 1200V. MOSTRAK systems can test the following device types: MOSFET, IGBT, Bipolar transistor, Diode - rectifiers, Thyristor (SCR) - Triac, Linear voltage regulator (VReg), Transient voltage suppressor (TVS).
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Product
Fluorescent Lamp Asymmetric Pulse Tester
UI2002C
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UI2002C is designed according to the latest update in IEC 61347-2-3 about the test requirements for local rectifying effects on tubes. It imitates the condition when tube is under local rectifying status and tests the abnormal protection function of ballast by adopting fluorescent lamp asymmetry pulse test method with 3 windows for displaying rectified voltage, rectified current, and rectified power. It is easy for operation and with high test accuracy. • Measure lamp voltage, lamp current , average and total power of lamp. • Lamp voltage range: 10~300V • Lamp current range: 10mA~1.0A • Lamp power range: 0.5~300W • Tolerance is 5%
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Product
Voltage Rectifier
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A voltage rectifier, designed and manufactured by Monex GeoScope Pty. Ltd., has been added to the terraTEM suite of products. The voltage rectifier has been designed to provide 6 kW, 120 V, 50 A output and is the ideal rectifier to guarantee the necessary stable, ripple free current for the full range of Monex GeoScope’s transmitters. This includes the internal transmitters for the terraTEM24 (50 A, 120V), terraTEM (15 A, 24 V) and the terraTX-50 external transmitter (50 A, 250 V). In addition, the voltage rectifier outputs a clean, filtered 24 V suitable for powering either the terraTEM24 console or terraTX-50 console electronics. And the output stability of the voltage rectifier is not disturbed by the fast turn-off times available on the Monex GeoScope transmitters.
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Product
Rectifier Diodes
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Chip Diodes from Bourns has emerged that offers the capability to provide a silicon diode with minimal packaging overhead. The small signal 0603, 1005 and 1206 Chip Diodes are lead free with Cu/Ni/Au plated terminations while the other packages (SMA, SMB, SMC, 1408, 1607, 2010, 2419, 8L NSOIC, 16L NSOIC, SOT23, SOT23-6, 16L WSOIC) use 100% Tin terminations. All Bourns® diodes are compatible with lead free manufacturing processes, conforming to many industry and government regulations on lead free components.
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Product
Ampere Hour Meter Module
TE2504
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Ampere Hour Meter Module- Model TE 2504 is basically managed for ready setup or the usage can be seen in where the current requirement are low. This one is used which is ready to be applied in the stand alone panel and advanced from all the former models, IM2501, IM2502 and IM2503. These are basically panel mount instruments which are required to rectified in the rectifier or in an independent panel.
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Product
Rotating Electrical
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Through its vast distribution network, WAI provides customers in the aftermarket with access to a wide range of product lines they need, when they need them. WAI’s production team is committed to consistently being the First-to-Market with the latest model products. This commitment, paired with the skill and expertise of the team, results in the introduction of more than 500 new products to the aftermarket each year. WAI offers 100 percent new alternators and starters as well as generators, motors, voltage regulators, rectifiers and other components for the Rotating Electrical market.
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Product
Switch Mode Power Rack Rectifiers
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The Switch Mode Power Rack Rectifier is a complete modular rectifier designed as a ready-to-go system to generate high-quality DC, available in air or water cooling.
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Product
Load Banks
EL08 Series
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*Rectifier Test 8kW*All of our Load Banks are continuously rated for Power and Current.
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Product
Switch Mode Power Supplies-Water Cooled
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The MSW Rectifiers are based on Switch Mode Technology. This reliable technology assures excellent quality DC currents with a ripple of < 3% and a control accuracy of less than 1%.The MS-Series features constant voltage and current control with easy, quick installation and maintenance. Modular versions easily increase the output by means of series or parallel connection. All models have DC short circuit protection. With forced air-cooled models, the cooling air quantity is controlled in relation to the load reducing contamination and noise levels.
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Product
LCL Filters
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LCL Type Harmonic Filter Modules are used to filter out the input current harmonics of the Motor Drives having six-pulse diode/thyristor rectifiers, where harmonic current distortion exceeds the limits defined in standards.
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Product
AC and DC Electronic load
63800 series
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The Chroma 63800 Loads can simulate load conditions under high crest factor and varying power factors with real time compensation even when the voltage waveform is distorted. This special feature provides real world simulation capability and prevents overstressing thereby giving reliable and unbiased test results. The 63800's state of the art design uses DSP technology to simulate non-linear rectified loads with its unique RLC operation mode. This mode improves stability by detecting the impedance of the UUT and dynamically adjusting the load's control bandwidth to ensure system stability. Comprehensive measurements allow users to monitor the output performance of the UUT. Additionally, voltage & current signals can be routed to an oscilloscope through analog outputs. The instrument's GPIB/RS232 interface options provide remote control & monitor for system integration. Built-in digital outputs may also be used to control external relays for short circuit (crowbar) testing.
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Product
Bridge Rectifier Assemblies
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Bridge Rectifier Assemblies are constructed by packaging diodes and/or SCR components with heat sink extrusions in a bridge circuit.CEHCO uses M, T, N and W heat sink extrusions to build rectifier assemblies.
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Product
High Voltage EMC Surge Generator
TM510
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TM510 Surge Generator is mainly used for testing power cable high-resistance and arc-over fault whose grade range is 0-10kV, co-operating with cable fault tester and locating devices to test and locate faults. If the user choose the professional digital milli-ampere-meter, as for cable with grade range about 0- 6kV, the instrument can also be used to do DC&voltage resistance test and current leakage test after the fault is repaired. The instrument is internally equipped with voltage-rise rectifying and discharging device, has complete functions, and is also convenient and safe to be wired and operated.
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Product
Replacement Selenium Rectifiers
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Selenium rectifier stacks are made up of selenium cells, which are mounted together and circuited as required for each application. They are available in configurations to suit all of the rectifier circuits.
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Product
48V / 200 Amp Load
EL12-48M
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For Battery Discharge testing and Power Supply testing. This particular Load has been designed to operate with Telecom 48V Rectifiers and Power Supplies with output Voltages in the range of 38V to 60V and is extremely costeffective.
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Product
Turns Ratio Testers
TRT Standard Series
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When it comes to choosing a transformer turns ratio tester, TRT Standard series offers some of the most advanced instruments with LCD display out in the market. Each model measures transformer excitation current and phase shift performs automatic vector group detection and magnetic balance on three-phase transformers and three-phase autotransformers. Furthermore, they have a built-in true three-phase power source. Because of that, TRT Standard instruments can test transformers with special configurations, such as phase-shifting, rectifier, arc-furnace, traction transformers, etc.The instruments can output test voltages from 1 V AC to 250 V AC, depending on the chosen model. High test voltage of 250 V AC provides more accurate turns ratio testing compared to other turns ratio testers on the market and extremely low test voltage of 1 V AC enables turns ratio verification of current transformers.TRT Standard series consists of:TRT03 Models (TRT03A, TRT03B, TRT03C) – single-phase voltage up to 100 VTRT3x Models (TRT30A, TRT30B, TRT30C, TRT33A, TRT33B, TRT33C) – single and true three-phase voltage up to 100 VTRT63 Models (TRT63A, TRT63B, TRT63C) – single and true three-phase voltage up to 250 VMore about models differences can be found under the downloads tab, in brochures and comparison sheets.A user can create test templates using the DV Win software and store them in the PC’s memory for later use when in the field.TRT Standard series models have a built-in tap changer control unit. Consequently, it enables remote control of an on-load tap changer (OLTC) directly from the tester. In order to make the most out of this feature, the DV-Win software can be programmed to do everything automatically – running turns ratio tests, changing OLTC tap positions and saving results. This option, especially in combination with test templates, significantly facilitates and shortens the turns ratio testing time.
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Product
Thyristors (SCR)
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Featuring immunity to surges and transients in static states and commutations, our silicon-controlled rectifiers (SCR), also known as thyristors, are ideal for single- and three-phase power line networks, even in harsh environments up to 150°C. Thyristors (SCR) belong to our STPOWER family.
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Product
460V / 18 Amp Load
EL08-460M
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For High Voltage UPS Battery Testing and Power Supply testing. This particular Load has been designed to operate with UPS Battery Systems and Telecom Rectifiers and Power Supplies with output Voltages in the range of 307V to 460V and is extremely cost effective.
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Product
Electronic Ballast Automatic Test Equipment
ATE-1
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Test series connection, parallel connection and series/parallel connections of the electronic ballast (about 15 kinds of connections), available for various electronic ballast. • With a precise resistance box, tube is substituted for the resistance, can act as many as 6 tubes. Resistance value: 1-4095Ω adjustable. • Measure input parameters (vrms, irms, w, pf, harmonics, etc), output parameters (on-circuit voltage, lamp voltage, filament voltage, lamp current, lamp power, oscillatory frequency), can also test the ballast efficiency, abnormity protection, and power symmetry of partial rectifier effect and etc. • Program controlled AC power source to guarantee the smart choice of input voltage and the frequency. • Equipped with 17 inch LCD controlled machine, specially designed A/D combined with special CPU, has the two left and right testing interfaces to achieve stability of data and high- speed testing. • We can make the special-designed product for you and promise to upgrade the software for free.
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Product
Battery Charger Meters
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A range of ammeters and voltmeters with tough moving magnet or polarised moving iron movements designed for low cost indication of d.c. or rectified a.c.
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Product
Transformer Turns Ratio Testers
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Transformer turns ratio testers from TRT series are DV Power instruments mainly designed for the measurement of power transformer turns ratio. Also, they measure transformer excitation current and phase shift. Special tests, such as automatic vector group detection and magnetic balance, can be performed on three-phase transformers and three-phase autotransformers.All models, except TRT03 series, have a built-in true three-phase power source, which is necessary for testing turns ratio of transformers with special configurations, such as phase-shifting, rectifier, arc-furnace, traction transformers, etc.DV Power turns ratio testers can output various test voltages for different applications. From the extremely low test voltage of 1 V AC that enables turns ratio verification of the majority of current transformers, up to the highest test voltage of 500 V AC that provides the most accurate turns ratio testing of power transformers used in power generation and transmission. By using the external booster, test voltage increases up to 5 kV AC in order to successfully test capacitive voltage transformers.All DV Power turns ratio testers have a built-in tap changer control unit. Because of that, it is possible to control the on-load tap changer (OLTC) directly from the device. In order to make the most out of this feature, the instrument and included DV-Win software can be programmed to do everything automatically – running turns ratio tests, changing OLTC tap positions, and saving results. This option significantly facilitates and shortens the turns ratio testing time.TRT turns ratio testers use the same set of cables as three-phase winding ohmmeter & tap changer analyzers from the TWA series. Consequently, it enables one-time cable setup for performing eight tests:turns ratioexcitation currentphase anglemagnetic balancevector group detectionwinding resistanceon-load tap changer DVtestand demagnetization.
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Product
230V / 36 Amp Load
EL08-230M
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For High Voltage UPS Battery Testing and Power Supply testing. This particular Load has been designed to operate with UPS Battery Systems and Telecom Rectifiers and Power Supplies with output Voltages in the range of 153V to 230V and is extremely cost effective.
