Transformer
transfers of electricity from one circuit to another by electro-magnetic induction.
See Also: Transformer Testers, Power Distribution, Coil
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Transformer Testing Equipment
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Offering you a complete choice of products which include Automatic Transformer Turns Ratio Instruments (ATRI- 3), Automatic Transformer Turns Ratio Instrument (ATRI-201), VTRI-2000 ( Transformer turns ratio instrument ), Current Transformer Test Set (CTC-1), Potential Transformer Tester ( PT Tester ) and Current Transformer Tester ( CT Tester ).
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Product
Fully Automatic Transformer Turns Ratio Tester
DY100
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DY-100 is a new generation, fully automatic, transformer turns ratio tester designed for measuring ratio, ratio error of single and three phase transformers. The entire test is done automatically and quickly. Operator enters the test parameters and DY-100 tak es over; powers up the voltage, balances the bridge, takes the readings, and displays the results on the LCD screen. Prints testresults through its built-in printer. A key feature of the DY-100 is automatic measure transformer connection group. LV and HV windings are automatically isolated once the measurement is over. True portability is achieved by the lightweight (only 10 kg), single unit design housing the DY-100. The DY-100 is encased in an aluminum alloy cabinet.
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Automatic Current Transformer Comparator
KATC-C2
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Got older, slower equipment? Knopp’s Automatic Current Transformer Comparator (KATC-C2) is faster, more robust and more accurate! Knopp’s KATC-C2 is a high accuracy current comparator that is compatible with all older generation Knopp comparators, and is designed to be a direct, plug-in replacement requiring no modification of the existing Knopp Current Transformer Test Systems. Save time and money on service by upgrading your comparator to our new next generation model!
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High Voltage Transformer
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RR manufactures HIGH VOLTAGE TRANSFORMERS for various Industrial Applications.
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Current Transformer
ST-30CT
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Standard Electric Works Co., Ltd
● 30/5A - 150/5A● 2-3V A● Class 1● Insulation 600V
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Clamp-On / Precision / Split Core Current Transformer
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Transformer Ratio (Arms) : 100A / 1AColours : Red, yellow, blueConnection : Safety Sockets for Banana Plugs ф 4mm Jaw Opening : Cable Dia 15mm max.
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Single-Phase Transformer Winding Resistance Meters
RMO-TT Series
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RMO-TT series is perfect for measuring winding resistance of inductive objects such as power and distribution transformers or autotransformers. Additionally, every transformer resistance meter from RMO-TT series can analyze:tap changers,generators,electrical motors,high-current busbar joints,cable splices,and welding joints.Transformer demagnetization can also be performed with all RMO-TT instruments.The series is consisted of 3 models, with maximal test current from 40 A (RMO40TT) to 100 A (RMO100TT). RMO100TT is the only portable transformer resistance meter in the market with 100 A DC output current.The three independent channels enable testing of three windings in series. Consequently, a user can measure winding resistance in every tap position of an on-load tap changer without discharging between the tests.In addition to winding resistance measurement, a user can perform a detailed on-load tap changer analysis by analyzing recorded graphs (10 kHz sampling rate) and by measuring vibrations on an external tap changer tank.All RMO-TT instruments have a built-in tap changer control unit. Because of this, it is possible to remotely control on-load tap changer (OLTC) directly from the device. Also, a user can program DV-Win software to do everything automatically – running winding resistance tests and changing OLTC tap positions.The DV-Win software also enables control and observation of the test process, as well as saving and analyzing the results on a PC. It provides a test report, arranged in a selectable form as an Excel spreadsheet, PDF, Word, or ASCII format. Additionally, DV-Win measures and calculates the OLTC transition time, the ripple and the winding resistance for each tap changing operation. The software can also perform the calculations necessary for the “Heat Run” test.All results can be exported in the report format.
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Fully Automatic Transformer Oil Test Set
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1. Test as per International standards NMC insulating oil testers are fully automatic micro controller based system,completely self-contained,compact and portable giving smooth variable test voltage from 0 to 60, 80, or 100 kV for testing the dielectric strength of insulating oil in accordance with all international standards like IEC156/IS6792/ASTM D 1816/ASTM D877/ UNE 21 specifications.2. Auto mode NMC insulating oil testers are fully automatic type.1) IEC-156, IS6792, ASTM D 877, ASTM D 1816, UNE 21.2) Withstand Test A3) Withstand Test B4) 5 Minute Test5) User defined3. 100 Test results storage capacity NMC insulating oil testers has a storage capacity of 100 test results which can be recalled and printed.4. LCD display NMC insulating oil testers use LCD for easy readability of the BDV test results.5. Built in printer The printer used is a thermal paper print outs.The paper rolls can be easily installed by any person.6. User Friendly RS 232 Interface RS 232 interface is very easy to use to communicate stored data which can be saved in text format.7. Safety protection Safety interlocks are provided on the test chamber.Zero interlock protection to ensure operator safety.8. Accurate Performance The kit not only has all basic functions of an insulating oil tester but also has unique features that are seldom seen in similar products. For e.g. PROOF test A, PROOF test B, 5 Minntes test, LCD to display all test data.It ensures high work efficiency and reliability in any tough environment.
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Instrument Transformer & Switchgear Testing
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Our stationary and mobile instrument transformer test systems are used to test current and voltage instrument transformers. Among other things, accuracy testing, demagnetization and insulation testing are possible.
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Current Transformer Tester
CT-T1
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The CT-T1 is a microprocessor-based Current Transformer Tester that measures CT excitation current, turns ratio, and winding polarity tests, all without having to switch the leads during testing. The instrument has a fully automatic knee point detection (ASA 10/50, IEEE 30°, IEEE 45°). Although includes 5 low side taps and 1 high side tap.
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Product
Split type AC Current Transformer
CTS-100
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*1A output for metering application.*Short circuit switch for secondary output is provided for safe operation.*High accurate transformer for the application of first class meter.*Easy installation by metal fitting.
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IEC Current Transformer Burden
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• Burdens of 1A and 5A for IEC & ANSI specifications are available • 40VA, 20VA, 10VA, 7.5VA, 6.25VA, 5 VA and different combinations of these at 0.8 PF 3.75, 2.5, 1.25 & 1VA at 1.0 PF
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Transformer Winding Resistance Meters
TWA Advanced Series
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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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Solid State Synchro Control Transformer and Solid State Resolver Control Transformer
SCT-RCT Series
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Computer Conversions Corporation
The SCT Series are low cost, miniature, solid state control transformers designed for military and industrial control applications. They will directly replace conventional electromechanical control transformers & thus provide digital control to existing analog servo systems. They simultaneously accept a 3 wire synchro input (0) and a digital angle input (0), and provide an ouput which is the sine of the difference between these two input angles (A sin wt sin (0-0) ("wt" is the synchro excitation frequency).
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Product
Current Transformer
ST-9RCT
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Standard Electric Works Co., Ltd
● Primary Current Rating (Amp) : 800~2000
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Product
400/5A CHEAP SPLIT CORE CAST RESIN CURRENT TRANSFORMER
LZCK310-10
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Beijing GFUVE Electronics Co.,Ltd.
LZCK series outdoor waterproof current transformers are applicable for AC power system 35kV and measurement of current of power supply equipment below 10KV also can be used for microcomputer protection. This type of current transformer employs imported silicon steel which with high permeability as magnetic material, has the characteristics of Small magnetic circuit loss and can be split, its semicircular core and secondary windings employ high quality epoxy resin vacuum, casting in plastic-case(ABS or PC) which is flame retardance anti-moisture, stable performance, no maintenance.
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High Frequency Current Transformer Clamps
HFCT-20HD & HFCT-60HD™
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The HFCT-20HD™ and HFCT-60HD™ are high frequency current transformer sensors designed for partial discharge detection on electric apparatus’ ground returns. Made from superior quality materials, it is designed for any environment.
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Split type AC Current Transformer
CTS-400
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MULTI MEASURING INSTRUMENTS Co., Ltd.
*5A output for metering application.*Short circuit switch for secondary output is provided for safe operation.*High accurate transformer for the application of first class meter.*Easy to install by metal fitting.
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Transformer Turns Ratio Meter
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International Biological Laboratories
Transformer Turns Ratio Meter is compact in size and is capable to measure actual turns ratio of different types of transformers like Distribution, Power, CT, PT, Auto-transformers, Control & Measuring transformers etc.
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Distribution Transformer Tester
DOC-2000™
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The DOC-2000™ is a test instrument designed for distribution networks transformers up to 167KVA. It can determine the presence of short circuits or an open circuit in the distribution transformer primary winding & also short circuits on the secondary winding. The DOC-2000™ is designed to be operated from an arial device or from the ground at the end of a hot stick without disconnecting the transformer’s secondary windings.
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Instrument Transformer Calibrators
MRL 22
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UDEYRAJ ELECTRICALS PRIVATE LIMITED
Automatic measure of contact resistance. True 4 terminal measurement. μP operated, automatically saves results.
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IEC Potential Transformer Burdens
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• Burdens for IEC specifications rated for various input voltages available • 2.5 to 207.5 VA at 0.8 PFIEC Potential Transformer Burdens
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Transformer Winding Resistance Meters
RMO TD Series
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The RMO-TD Series On-Load Tap & Winding Resistance Analyzer is designed for the measurement of winding resistance of inductive elements, and for tap changer analysis. The RMO-TD series is based on the latest technology, using the most advanced switching technology available today. The RMO-TD series is accurate (0.1%), powerful (up to 60 A) and lightweight. It generates true, ripple-free DC current with automatic metering control and a discharge circuit.
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Product
Zero Phase Current Transformer
MZL-45
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MULTI MEASURING INSTRUMENTS Co., Ltd.
Split-core type for measuring zero phase current
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Portable Single Phase Transformer
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Supreme Instrument Laboratories
Portable single phase double wound transformers both step-up and step-down, natural air cooled construction, housed in well ventilated sheet steel cabinet duly powder coated. All the input and output terminals are brought out and terminated on highly insulated bakelite panels duly marked for easy connection.
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Portable Three Phase Transformer
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Supreme Instrument Laboratories
Portable 3 phase double wound transformers both step-up & step-down, natural air cooled construction, housed in well ventilated sheet steel cabinet duly powder coated. All the input and output terminals are brought out and terminated on highly insulated bakelite panels duly marked for easy connection. Necessary carrying handles and castor wheel will be provided for portability.
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Product
Transformer Insulation Testing
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The primary test methods used to assess the condition of the active insulation components in transformers and bushings, on site, include:1) power factor/tan δ,2) variable frequency power factor/tan δ (1 - 500 Hz)3) dielectric frequency response (DFR) [a dielectric response method], and4) moisture in oil measurements (for transformers).
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Transformer Testing
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The ART-3D series of Automatic Ratio Testers are precision instruments, designed to measure the turn ratios, phase displacements, excitation currents of single phase and three phase power, distribution and instrument transformers in conformity to the IEEE C57.12.90 & IEC 60076. Now featuring an enhanced test lead design, the ART-3D is the perfect instrument for real-life field usage. ART-3D series also has Anti Induction circuit which makes it suitable for system voltages upto 765KV.
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MOTORIZED TRANSFORMER/RECTIFIER ASSEMBLY, 0-250 VDC, 200 A OUTPUT
18534PS1
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Input power is 380 VAC, 3 PH, 50 Hz, P/N 18534PS1Output is 0 to 250 VDC, 200 Amp max.Variable Transformer is used to vary the output. SCR controller is not used, as it generates harmonics.Input control is 0 to 3.6 VDCIndoor enclosure, 50"H x 46"W x 36"DOutput voltage and current feedback as 4/20 mA for PLC interface.All input/output connections are inside the enclosure
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Transformer Rated And Self-Contained Training Bench
Model 8803A
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The PowerMaster® 8803A Transformer Rated and Self-Contained Training Bench uses an integrated Windows-based touchscreen interface to select and modify a simulated error scenario while located at the bench. This display is mounted on an articulating arm to maximize bench space and enable line-of-sight while standing.
