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China High Quality Primary Injection Kit In India Exporters – GMDL-02A HV Circuit Breaker Analog Device – HV Hipot
General Information GMDL-02A high-voltage circuit breaker simulation device is manufactured using the principles of large-scale field programmable gate arrays, power electronic devices with protection, etc. The open coil is designed according to an independent loop, which can simulate the three-phase and split-phase operation of the voltage level of 6-110KV. The action behavior of the single open coil circuit breaker is suitable for the selection of power systems, industrial and mining enterprises, scientific research institutes, professional colleges, and protection manufacturers. It is used as a substitute for actual circuit breakers in the transmission test of the entire system of relay protection and automatic devices with switches. The action is accurate, reliable, and the numbe... -
China High Quality 100 Kv Capacitor Exporters – VLF AC Hipot Test Set 80kV – HV Hipot
Withstand voltage test is an essential preventive test for electrical equipment. It is divided into two parts: AC and DC withstand voltage test. AC test can be further divided into power frequency, variable frequency and 0.1Hz very low frequency test, among which the last one is highly recommended by IEC, due to its remarkable advantages. Following is a comparison for DC, Power Frequency, Variable Frequency, and 0.1Hz test. Aspects DC Power Frequency Variable Frequency 0.1Hz Equivalency poor good good good Insulation Damage strong slight slight slight Operation Safety relatively low relatively low relatively low high Wiring Difficulty complicated complicated most complicated simple Volume smallest largest large smal... -
OEM Best Capacitor Make Manufacturers – DC High Voltage Generator GDZG-300 – HV Hipot
Features ● Simple operation and complete function, easy for wild work. ● Higher voltage stability, smaller ripple coefficient. ● More reliable and stable, continuous short-circuit discharge directly to ground. ● Intelligent grounding protection and alarm function. High precision, accurate measurement, digital display of voltmeter and ammeter, with voltage resolution 0.1kV, and current 0.1uA. ● High stability of voltage regulation, smooth voltage boosting process, high adjustable precision, with coarse and fine adjustment functions. Accuracy of voltage regulation better than 0.1%, voltage and current measurement error is less than 1.0%, ripple factor better than 0.5%. ● With function of high-accuracy 75%VDC-1mA, more convenient for zinc oxide lighting arrester DC testing. ● HV booste... -
OEM Best Underground Cable Locator Price Factories – GD-4136H Cable Fault Locating System – HV Hipot
GD4136H Cable Fault system is an important tool to maintain all kinds of cables. It uses various detection way to test cable faults, which is suitable for different levels voltage power cables and communication cables. The system contains below units: 1.GD-2131H Impulse Generator 2.GD-4132 Cable Fault Locator 3.GD-4133 Multi-pulse Cable Fault Detector 4.GD-4133S Multi-pulse Coupler 5.Other accessories GD-2131H Impulse Generator It’s used to generate HV impulse when using impulse flashover method to detect high impedance fault. Features ● Strong burning ability, max.burning power is 1000W, breakdown point can be burned in short time and the resistance of breakdown point is decreased. ● If working together with GD-4133 Cable Fault Tester, there are two locating ways: a. Low vol... -
OEM Best Cable Fault Locator Suppliers Exporters – GD-2134E Cable Identifier – HV Hipot
GD-2134E is a high-performance underground metal pipeline detection system composed of signal transmitters and receivers. It can be used for path detection, pipeline survey and depth measurement of metal pipelines and underground cables. It can carry out uniqueness identification with a variety of selected accessories, as well as pipe insulation damage and the search for some types of cable faults. Features ● Compass display: intuitively displays the pipeline location and left & right directions. ● Tracking true and false prompts: current direction measurement, tracking correct error prompts, eliminating line interference (some frequencies). ● Depth and current measurements, can display the signal strength historical curve. ● Fully digital high-precision sampling processing: sta... -
OEM Best testare impamantare cu megger Supplier – GD3127 Series High Voltage Insulation Resistance Tester – HV Hipot
General Information GD3127 Series Insulation Resistance Tester is widely used in maintenance of electrical equipment in transformer substation, power plant, etc. It is suitable for carrying out measurement of insulation resistance(IR), polarization index(PI), absorption ratio (DAR), ramp(RAMP), filter(FR, 10s, 20s, 30s, 40s 4 choices), voltage(V), current(nA) of all kinds of high voltage equipment, including switchgear, transformers, reactors, capacitors, motors, generators and cables, etc. GD3127 Series is the perfect test tool for early identification and discovery of preventive or predictive maintenance plans for potential equipment failures. It is of great significance to ensure product quality and the safety of people and equipment in operation. The insulation performance of ele... -
OEM Best Identify Cable Manufacturer – GD-7018A Optical Fiber Identifier – HV Hipot
The GD-7018 series optical fiber pipeline identifier can accurately locate and meaure depth of the underground pipelines, cables and optical cables under the condition of without digging, and accurately find the damage points of the outer coating of the underground pipelines and the location of the underground cable fault points. The instrument incorporates the most advanced technologies such as ultra-narrow band filter, Bluetooth wireless communication, GPS positioning, automatic data mapping by professional data analysis software and automatic generation of test reports. The detection and inspection of various kinds of metal pipelines, pipeline management and maintenance, municipal planning and construction, pipeline inspection in power supply and other departments is one of the neces... -
China High Quality Instrument Used To Measure Capacitance Manufacturer – Turn-to-turn Surge Tester – HV Hipot
GDZJ-10S Turn to Turn Surge Withstand Testerh GDZJ-10S is used to test turn-to-turn insulation strength of single phase motor, 3-phase motor, Micro motor, Special motor, electrical motor, transformer (including switching mode power supply transformer), relay and winding electrical equipment. Features It can detect below faults: ● Turn-to-turn Insulation breakdown ● Corona discharge ● Winding connection mistake ● Winding disconnection ● Turn-to-turn difference ● Short-circuit between inter-phase, winding phase, or iron core Specifications ● Peak voltage: 500-10kV continuous adjustment ● Peak error: ≤ 5%(1kV-5kV) ● Waveform rising time: 0.5μS or 0.2μS ● Power supply: 220V±10%, 50Hz ● Power consumption: ≤ 800 W ● Dimension: 900*460*550mm ● Weight: about 70kg Important Tips GDZJ... -
OEM Best Voltage Analyzer Manufacturer – AC Resonant Test System for Generators GDTL – HV Hipot
GDTL series AC Resonant Test System for Generators can be used by adjusting inductance of the reactor, or adjusting the work way of resonant frequency of the system to achieve resonance. Both two methods can be used to achieve resonance. In the voltage boosting process, if the resonant point deviate, it can be found exactly by the way of fine tuning frequency, which ensure a high Q value and reduce power capacity and volume weight of test equipment. Features ● Smaller size,lighter weight compared with same voltage level,same capacity generator AC withstand voltage test equipment.Single equipment is no more than 60kg, easy to move. ● Advanced principle of whole set device and new frequency & inductance modulation technology, strictly ensure generator power frequency withstand volt... -
OEM Best digital earth resistance meter Manufacturers – GDCR1000C Non-contact Phase Sequence Tester – HV Hipot
General Information GDCR1000C, GDCR1000D non-contact phase tester is a major breakthrough in traditional phase sequence detection method. The traditional phase sequence detection is to strip the connection pole of three-phase wires, connect three bare clamps or test needles of phase sequence meter to three bare fire lines, while GDCR1000C and GDCR1000D adopt pincers non-contact induction measurement. The phase sequence can be detected by no need peeling off the wire and without touching the bare high-voltage fire wire, just directly clamping three super-inductive high-insulation clamps on the insulation skin of the three-phase fire wire respectively. At the same time, acousto-optic indication of the positive or reverse phase state of the phase sequence of the three-phase power supply... -
OEM Best Cable Tracer Suppliers – GD-2136H Cable Fault Locating System – HV Hipot
GD2136H Cable Fault system is important tool to maintain all kinds of cables. It uses various detection way to test cable faults, which is suitable for different levels voltage power cables and communication cables. The system contains below units: 1. GD-2131H Impulse Generator 2. GD-2132 Cable Fault Locator 3. GD-2133 Cable Fault Tester 4. Other accessories GD-2131H Impulse Generator It’s used to generate HV impulse when using impulse flashover method to detect high impedance fault. Features ● Strong burning ability, max.burning power is 1000W, breakdown point can be burned in short time and the resistance of breakdown point is decreased. ● If working together with GD-2133 Cable Fault Tester, there are two locating ways: a. Low voltage pulse: If only using GD-2133, open circ... -
OEM Best High Voltage Instruments Factories – GDRB-B Transformer Frequency Response Analyzer – HV Hipot
General Information Power transformer winding deformation tester (frequency response method) is based on the measurement of characteristic parameters of transformer internal windings, adopts the internal fault frequency response analysis (FRA) method, can accurately judge the internal faults of transformers. After the completion of design and manufacture of transformers, the coils and internal structure are finalized, so for the coil of a multi-winding transformer, if the voltage level and winding method are the same, the corresponding parameters (Ci, Li) of each coil shall be determined. Therefore, the frequency characteristics response of each coil also will be determined, so the frequency spectrums of the corresponding coils of three phases are comparable. During the test of transfor...
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