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Voltage Transformer
a type of intrument transformer enabling secondary connected metering.
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Uniload Voltage Transformer
2J4-4
The Type 2J4-4 Knopp Uniload Voltage Transformer Test Set consists of three major parts:
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Voltage Transformer
Beijing GFUVE Electronics Co.,Ltd.
Are a parallel-connected type of instrument transformer. They are designed to present a negligible load to the supply being measured and have an accurate voltage ratio and phase relationship to enable accurate secondary connected metering.
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Uniload Voltage Transformer Test Set
2J6
The Type 2J6 Knopp Uniload Voltage Transformer Test Set consists of three major parts: When the Knopp Precision Transformer in the 2J6 set is compensated for, and used with, a secondary burden of 15 volt-amperes, for example, the ratio of this precision transformer is well within 0.02% and the phase angle is well within 2 minutes. The transformer, in common with other Knopp Precision Multirange Transformers, is wound so that it has practically the same ratio and phase angle accuracy on all ranges.
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Current And Voltage Transformer Test Set
iCT1
iCT1 - CT/VT Test Set is the NEW and most advanced portable equipment capable to test current, voltage and combined transformers.With the low voltage method, known as "DC method", iCT1 is able to test Current Transformers with a very high saturation voltage, up to 30 kV, in a complete safety mode. Quick and easy to use tool, iCT1 allows to perform tests in one shot without changing the connection to the CT, thanks to the integrated 5-TAP Switchbox.
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High Voltage Transformer
RR manufactures HIGH VOLTAGE TRANSFORMERS for various Industrial Applications.
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OIP TYPE VOLTAGE TRANSFORMER
12kV - 145kV post type voltage transformers having Oil Impregnated Paper( OIP) as major insulation has been designed with several unique features.OIP insulated outdoor products are subjected to extreme climatic conditions and hence extra care is taken in the design and manufacturing of such transformers.
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Epoxy Resin Silicon Rubber Outdoor Voltage Transformer
JDZW-10RG
Beijing GFUVE Electronics Co.,Ltd.
Outdoor voltage transformer of the type JDZW-10 is single phase and epoxy resin silicon rubber insulated product, it's used for metering electric energy, voltage control and relay protection in 50/60HZ rated voltage less than 12kV electric system. It can be used for medial voltage AIS, or can be used for medial voltage switchgears. They can operate in all kinds of environments (such as wide range temperature (-50~70℃), high altitude, high humidity, high pollution or salt). This model JDZW-10 outdoor voltage transformer is also as voltage source to supply 220V voltage.
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Voltage Transformer
PT4
Shanghai Powoo Industry Develop Group Limited
- completely enclosed, good mechanical behavior, suitable for various environments, strong voltage isolation ability, delicate appearance; - the lead wire has a pin format, which makes it easy to be fixed on a PCB; - the mechanical dimensions for this series of PTs are relatively small, hence can be used an electronic component; - good linearity, high precision, wide operating range; - ABS anti-combustion plastic casing; - encapsulated with epoxy resin to ensure strong insulation ability.
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High Quality Transformer Oil Dielectric Strength Tester
AS-023A
Chongqing Assen Power Equipment Co., Ltd
AS-023A Series High Quality Intelligent Transformer Oil Dielectric Strength Tester is specially designed for testing dielectric strength (Breakdown Voltage) of transformer oil. The breakdown voltage (dielectric strength) is one of the most important parameters of transformer oil, it is a rule of the voltage withstand. The value of breakdown voltage (dielectric strength) indicates whether the oil contains water, impurity and electric particles, and you’ll know the oil value via the breakdown voltage (dielectric strength).
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Control Transformers
ENTES control transformers ensure the safe operation of measuring devices with 24 VAC supply voltage for electical control panels. Input voltages of Control transformers are either fixed (230 or 400V) or selectable with taps (400;230+15-15).
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VOLTAGE TRANSFORMERS
Designing & manufacturing a range of high quality, voltage transformers in three different frame sizes for both measuring and protection duties. Transformers which are designed to comply with the requirements of IEC 61869-3 or other international standards as required can be supplied to satisfy most Low Voltage applications.
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Portable Analog Instruments
Instrument transformer is a general term for voltage transformers and current transformers that are used with electrical instruments. The main purpose of instrument transformers is to extend the measurement range for electrical quantities (voltage, current, power, power factor) on large-current and high-voltage circuits. They serve to convert currents and voltages to levels that are suitable for measurement, and to insulate the instrument, etc. from high-voltage circuitry.
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Triple Frequency Induced Withstand Voltage Test Set
SBF / 540
Wuhan Huatian Electric Power Automation Co., Ltd.
Transformer, transformer, induction voltage test special transformer.
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AC Test Transformer
Yangzhou Power Electric Co., Ltd
The AC test transformer are especially designed for testing high voltage products and components, such as cables, power transformers, gas-insulated switchgears, bushings and arresters. It is also suitable to test insulation materials. They are used to generate testing high voltage and function as part of the complete system. These systems are particularly suited for tests requiring stable voltage even if the load changes under voltage (corona, wet & pollution tests) or when the load is inductive (inductive voltage transformers).
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FTL Test Block
FTL testblock with dust cover and current disconnect pinThe FTL is a test block for interfacing substation devices (protection relays, fault recorders, revenue meters, ... ) to the voltage and current transformers and to other equipment on the system side of a power grid. The FTL test block uses disconnect pins to isolate the substation devices from the system side equipment. Once isolated, secondary injection can be performed using banana jacks on the front side of the test block.
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Transformer Ratio Meter
TRM 1000
AJIT Transformer Ratio Meters are the most modern turn's radio meters widely used to test the turn's ratio of high voltage windings, to low voltage windings, of Transformer. These meters are accurate, compact & light in weight.
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Power Factor Correction
HV/MV
Power Capacitors for medium voltage network:Ducati Energia proposal includes range of single and three-phase capacitors up to 800 kVAr with max HSV of 36kV.Upon request,we provide them with internal fuses stainless steel cases,inrush reactors,expulsion fuses as well.System is designed according to the specific application and it is composed by current transformers (CT),voltage transformers (VT) and relais.
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Power Quality Analyzer
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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Instrument Transformer
CT & PT Test Equipment
Measurements International Ltd.
Calibration of Voltage and Current Transformers from a Single Instrument, Calibration of Instrument Transformers with Different Rated Ratios Using One Single Reference Standard, Calibration of Voltage Transformers (VT) up to 800 kV When Used with MI 2500 Series of HV Dividers and Standard Capacitors, Calibration of Current Transformers (CT) Up to 10000 A When Used With MI 7020 and/or 7200 Series of Precision Current Transformers and/or Current Comparators, Test Frequency from 15 Hz to 100 Hz70.
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High Voltage Transformers
We, NMC, are engaged in manufacturing AC/DC High Voltage Transformers ranging from 5kv upto 150Kv having current capacity from 10mA to 200mA AC/DC in Air cooled or Oil Cooled type as per the customer requirement.
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Turns Ratio Testing
Weshine Electric Manufacturing Co., Ltd
1. Full three-phase sinusoidal inverter power output, output voltage is automatically adjusted, with soft start and soft stop functions, so the test speed is fast and the accuracy is high.2. The instrument has single-phase, three-phase, Z-type transformers, voltage transformer ratio, group, polarity test functions.
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Primary Current Injection Test Set
T 3000
T 3000 is a primary current injection testing system designed to perform primary tests requested in substations commissioning. It allows to perform different tests and measurements on current transformers, voltage transformers, power transformers, protection relays, energy meters and transducers
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AC Resonant Test System for CVT
XZB-H / 110
Wuhan Huatian Electric Power Automation Co., Ltd.
Adjustable resonance device for field calibration of capacitive voltage transformers up to 500kV.
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Transformer Load Box
FY-H / 645
Wuhan Huatian Electric Power Automation Co., Ltd.
When testing current and voltage transformer, it provides various useful loads, which is an ideal matching product for various transformer verification devices.
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Testing of Voltage Measuring Transformers
In this category you will find components for high-voltage testing as well as for testing electronic or conventional voltage measuring transformers.
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Auto Transformers
Variac Auto Transformers are continuously variable voltage auto transformer, having a movable carbon tip, fixed to a brush-arm sliding on a silver plated commutator. Rotation of the brush-arm by either manual or motor drive, delivers-an output voltage from zero to or above line voltage.
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Baluns
Causes a voltage transformation Uin / Uout = 1 / 2 and is designed for operation with hand- held field coil when performing tests.
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CT-PT-CVT Measuring
Testing object: S current transformer, normal current transformer, voltage transformer● Testing item: ratio error, phase error, impedance, admittance of the transformer, etc● Rated current:5A,1A ( Customized )● Rated voltage: 100V, 100/√3V, 100/3V, 110V, 110/√3V, 110/3V, 120V, 120/√3V, 120/3V, 220V (or other)● Measurement range: ratio error measurement range : 0.0001%-19.99% phase error measurement range : 0.01 ' -900 '● Error minimum resolution:ratio error:0.0001%; phase error:0.01 ' ● Communication function : provide RS232 serial communication port● Measurement accuracy: ±1%● Consumed power: less than 20VA● Dimension :460×380×160 mm● Weight: 12kg
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Instrument Transformer & Switchgear Testing
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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CT PT Tester
HTCT-300 / 357
Wuhan Huatian Electric Power Automation Co., Ltd.
Measurement of current voltage transformer excitation characteristics, excitation parameters, turns ratio, polarity coil resistance, etc.
