Примеры использования Current and voltage transformers на Английском языке и их переводы на Русский язык
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Change of the circuit of switching on the control system, current and voltage transformers;
Which can measure transformer, current and voltage transformers etc inductive DC resistance.
Our RIV1 calibrator is used for the calibrationof high-voltage partial discharge(PD) test set-ups on power, current and voltage transformers.
New gas-insulated equipment was installed instead of oil current and voltage transformers, with longer service life and it does not require constant maintenance.
With the CPC 100,OMICRON has a universal test set that can perform a wide variety of electrical tests on current and voltage transformers at its disposal.
The Primary Test Manager(PTM)software supports you during diagnostic tests on circuit breakers, current and voltage transformers, rotating machines, grounding systems, power transformers as well as associated equipment such as bushings and on-load tap changers OLTC.
Therefore, determining the moisture content in the insulation is an important measure to ensure the reliability and lifetime of current and voltage transformers.
Measurement of network capacity is based on the reading of the current and voltage values of the current and voltage transformers in response to the input of the signal by the generator at various frequencies.
Implementation of metrological checks of measuring basic parameters of electric networks, systems and equipment of relay protection and automation, current and voltage transformers;
Over the past year 10,610 units of reference and working measuring instruments were calibrated,13,896 measuring current and voltage transformers were verified, installed in commercial metering systems of electricity, 4,438 electricity metering devices were checked.
During this period the metrological services of IDGC of Centre's branches calibrated 10,262 working measuring instruments, checked 7,543 measuring instruments,of which 1,983 measuring current and voltage transformers and 889 electricity meters.
The digital current and voltage transformers and control cabinet supporting IEC 61850 data exchange comprising a GIS make it possible to build a digital unattended substation for outdoor applications in a wide range of temperatures in almost any climatic zone of Russia.
Cogelex is a manufacturer of switch gear,power transformers, current and voltage transformers and protective relays.
The CPC 80+ CP TD1 is a dedicated system to perform dissipation/power factor measurements on high-voltage assets, such as power transformers, bushings and rotating machines as well as current and voltage transformers.
The Primary Test Manager(PTM)software supports you during diagnostic tests on circuit breakers, current and voltage transformers, rotating machines, grounding systems, power transformers as well as associated equipment such as bushings and on-load tap changers OLTC.
In addition to diagnostic testing and condition assessment of power transformers and associated equipment such as bushings and on-load tap changers(OLTC),PTM can also be used for circuit breakers, current and voltage transformers, and rotating machines.
The basic and additional errors are normalized without errors measuring current and voltage transformers, and are expressed as a percentage of full scale measurement range,and for wattmeters and varmetrov with two-scale- from the sum of absolute values of end of range;
They verified 17,080 measuring instruments(87% of the year's plan),including 6,012 measuring current and voltage transformers and 1,795 electricity meters.
Basic and additional errors are normalized, excluding errors of measuring current and voltage transformers, and are expressed as a percentage of the final value of the measuring range,and for wattmeters and varmeter with double-sided scale- of the modules of finite values range;
In addition to serving as a mobile HV source for off-line testing on site, the CPC 100 can also be used to perform a variety of standard and advanced diagnostic tests for commissioning and maintenance on such primary assets as power transformers, current and voltage transformers, circuit breakersand switchgear, rotating machines, grounding systems, as well as cables and transmission lines.
The device(measuring kit)K507 designed for testing differential-null method of measuring current and voltage transformers of accuracy class of 0.05, 0.1, 0.2, 0.5, 1, 3, 10 with secondary nominal currents of 1, 2, 2, 5 and 5 A and the nominal secondary voltages of 100, 150 and 200 in the active and reactive components of impedance and admittance to the transformer secondary circuit being checked at a frequency of 50 Hz.
The versatile CPC 100 can be conveniently used to perform many standard and advanced diagnostic tests on various electrical assets,including power transformers, current and voltage transformers, circuit breakers and switchgear, rotating machines, grounding sys-tems, as well as cables and transmission lines.
The device(measuring kit)K507 is designed for calibration of differential-null method of measuring current and voltage transformers of accuracy class of 0.05, 0.1, 0.2, 0.5, 1, 3, 10 with rated secondary currents of 1A, 2A, 2 5A and 5A and the nominal secondary voltages of 100V, 150V and 200V active and reactive components of impedance and admittance to the transformer secondary circuit being checked at a frequency of 50 Hz.
The company provides complete supply of electrical equipment, spare parts, materials and components for power engineering, mining and other industries, railways:high‑voltage equipment- current and voltage transformers, power transformers, arc extinguishing oil reactors, dry‑type electric reactors, cables and wires up to 400 kV, KTP and others; low‑voltage equipment- relays, circuit breakers, contactors, relay protection sets, etc.
Polarity check of current transformers and voltage transformers CTs and VTs.
Connections up to the maximum current and voltage signals can also be realized without the current or voltage transformers.
The Company proceeded with replacing current and voltage metering transformers and upgrading of secondary circuits for 330-750 kV sub-stations.
The supplied coil voltage transformers and Rogowski integrators as the current sensors serve for collection of the secondary voltage and current data.
Panel meters(analog and digital) ammeters, voltmeters, wattmeters, varmeter, frequency, phase meter, synchronizing, and shunts,additional resistance and current transformers and voltage to them.
The on-line measurement and detection for primary and secondary current, transformation ratio, error, phase(group) difference, polarity, phase sequence, and leaker in the three-channel high& low voltage current transformer and the voltage transformers.