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China High Quality Digital Line Tester Exporters – 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... -
China High Quality Metal oxide lightning arrester Factories – Online Monitoring System for Metal Oxide Arrester – HV Hipot
General Information There are usually two ways to monitor the insulation condition of high voltage electrical equipment in substations: online monitoring and live (portable) online detection. The former one can obtain the characteristic parameters reflecting the abnormal insulation of the equipment at any time, which is convenient for automatic management. However, the investment is relatively large, the installation and construction are relatively troublesome, and regular maintenance is needed. For the latter, it has the advantages of low investment, highly targeted, easy to install, maintain and update. As long as the sampling unit is installed in the electrical equipment in advance, a regular detection can be done for electrical equipment in operation, and insulation flaw can be f... -
OEM Best numerical relay testing Factory – GDJB-6000M Smart Substation Relay Protection Test System – HV Hipot
GDJB-6000M Smart Substation Relay Protection Test System is a new generation of intelligent relay protection tester designed according to “Smart Substation Relay Protection Technical Specifications” and “Smart Substation Technical Guidelines”. It can not only realize the full function test of the optical digital protection device (IEC61850, smart digital station), but also carry out full function test on the traditional protection device (conventional station). GDJB-6000M is a portable new product independently developed through the use of technologies such as embedded real-time operating systems, high-performance embedded processors, and large-scale logic devices, combined with power field conditions and numerous power user experiences. It is widely applicable t... -
OEM Best Ct Pt Testing Kit Factories – GDHG-201P CT/PT Analyzer – HV Hipot
Features ● Full function and can satisfy all kinds of CT (protection CT, measuring CT, TP) test requirements, such as excitation characteristic test, turn ratio, polarity, secondary winding resistance, secondary burden, ratio error, angular difference and etc. Also can used to test excitation characteristic, turn ratio, polarity, secondary winding resistance, ratio error, angular difference and etc of all kinds of PT. ● Field verification of CT does not require standard current transformers, current injector, load bank, voltage regulating controller and large current cables. Very simple test wiring and operation are used to realize the current transformer verification, which greatly reduces the work intensity and improves the work efficiency, and facilitates the field verification of... -
China High Quality Cable Fault Location System Supplier – 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... -
China High Quality Hipot Test Voltage Manufacturer – Surge Generator for motor – HV Hipot
GDZJ-5S Turn to Turn Surge Withstand Tester GDZJ-5S 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. It can detect below faults: ● Turn-to-turn Insulation breakdown ● Corona discharge ● Winding connection mistake ● Winding disconnection ● Turn-to-turn difference ● Short-circuit between interphase, winding phase, or iron core Specifications ● Peak voltage: 500-5000V continuous adjustment ● Peak error: ≤ 5% (1kV-5kV) ● Waveform rising time: 0.5μS or 0.2μS ● Power supply: 220V±10%, 50HZ ● Power consumption: ≤ 100 W ● Dimension: 480*260*390mm ● Weight: about 24kg -
OEM Best Ct Pt Testing Equipment Factories – GDHG-201P CT/PT Analyzer – HV Hipot
Features ● Full function and can satisfy all kinds of CT (protection CT, measuring CT, TP) test requirements, such as excitation characteristic test, turn ratio, polarity, secondary winding resistance, secondary burden, ratio error, angular difference and etc. Also can used to test excitation characteristic, turn ratio, polarity, secondary winding resistance, ratio error, angular difference and etc of all kinds of PT. ● Field verification of CT does not require standard current transformers, current injector, load bank, voltage regulating controller and large current cables. Very simple test wiring and operation are used to realize the current transformer verification, which greatly reduces the work intensity and improves the work efficiency, and facilitates the field verification of... -
OEM Best Circuit Breaker Close Open Time Test Set Rates Exporters – GDKC-12A (GDKC-12B) (GDKC-13A) Circuit Breaker Analyzer 2021 – HV Hipot
General Information High voltage circuit breaker is one of the most important control equipment in the power system. GDKC-12A/B (GDKC-13A) is used to test the dynamic characteristics of high voltage circuit breaker. It is easy to operate, with high accuracy. Features ● Time: the open/close time, in phase synchronization, phase-to-phase synchronization of 12contacts. ● Closing resistor: pre-switching time, pre-switching waveform and resistance of the closing resistor of 6 channels. ● Reclosure: close-open, open-close, open-close-open time for each contact. ● Bounce: close bounce time, times, process and waveform of each contacts. ● Velocity: velocity at contact open or close, maximum speed, time-travel characteristic curve; first open, first close and second open velocity of reclo... -
China High Quality electrical earthing Supplier – GDF-3000 DC System Earth Fault Detector – HV Hipot
General Information In DC system, there are many earth faults including indirect earth fault, non-metal earth fault, loop earth fault, positive and negative earthing fault, positive and negative balance earth fault, multi-point earth fault. GDF-3000 Earth Fault Tester for DC System locates these earth faults and displays the parameters of system voltage, earth voltage, earth resistance and earth impedance of branches accurately. Functions ● System ground voltage measurement function, the instrument can measure the system ground voltage, negative to ground voltage, system voltage, can achieve 0-300V voltage monitoring range. ● System insulation impedance measurement function, the instrument can measure the positive to ground insulation impedance and the negative to ground insulatio... -
China High Quality Multistage Impulse Generator Supplier – Impulse Voltage Test System – HV Hipot
Features ● Complete equipment and wide voltage levels in the whole set of device. ● Small electric inductance in the return circuit of the impulse voltage generator, A band-stop filtering is adopted so that a standard impulse wave is still generated even under a large capacity load, and large load capacity. ● Large in voltage utilization coefficient. ● Convenient in wave adjustment, simple in operation, excellent in synchronization performance and reliable in motion. ● An automatic control technique is adopted in the constant-current charge, which is high automation and strong anti-interference capacity. ● A digital measurement and analysis system for the impulse test date are adopted, which increase the technical level and the efficiency of the impulse voltage tests. Specifications ... -
OEM Best relay test set Exporters – GDJB-6000M Smart Substation Relay Protection Test System – HV Hipot
GDJB-6000M Smart Substation Relay Protection Test System is a new generation of intelligent relay protection tester designed according to “Smart Substation Relay Protection Technical Specifications” and “Smart Substation Technical Guidelines”. It can not only realize the full function test of the optical digital protection device (IEC61850, smart digital station), but also carry out full function test on the traditional protection device (conventional station). GDJB-6000M is a portable new product independently developed through the use of technologies such as embedded real-time operating systems, high-performance embedded processors, and large-scale logic devices, combined with power field conditions and numerous power user experiences. It is widely applicable t... -
China High Quality Capacitor Make Manufacturers – PD free Variable Frequency Test System – HV Hipot
GDYT-350kVA/70kV PD free Resonant Test System is composed of PD free variable frequency power supply, HV measuring box, excitation transformer, isolation transformer, Resonant reactor, and capacitive voltage divider. This test system does not have the problem of excessive starting current. Using a smaller capacity power supply can complete a test equivalent to 30 to 60 times of the power supply, which greatly alleviates the problem of insufficient capacity of the field test power supply. Features ● Safety and reliable. It has many functions, including discharge and breakdown protection, over-voltage and over-current setting protection, test power off protection, zero protection, over-heat protection etc. When any protection happened, the system will immediately cut off output and po...
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