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China High Quality beaing heater 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 Gas Detector Supplier Exporters – GDPDS-341 SF6 Electrical Insulation State Comprehensive Analyzer – HV Hipot
General Information At present, the UHV voltage level of 110KV and above uses SF6 gas-insulated enclosed GIS as the main primary equipment of the substation, the evaluation of GIS internal insulation status is mainly achieved by partial discharge detection method and SF6 gas chemical analysis method at home and abroad. When partial discharge occurs in the early stage of insulation degradation inside the GIS, it will cause serious safety hazards to its safe operation. The detection methods of partial discharge mainly include three methods: ultra-high frequency partial discharge test, ultrasonic partial discharge test, and chemical detection of SF6 gas composition. At present, there are separate devices for these types of test methods on the market. For on-site GIS partial discharge li... -
OEM Best instrument transformers are Factories – GDPD-313M Portable Partial Discharge Detector – HV Hipot
External flexible sensor (for option) Parabolic sensor (wave condenser, for option) TEV and AE method is acknowledged and suitable technology to be used in online partial discharge detection. GDPD-313M uses ultrasonic detection technology (AE) and TEV mode, which can effectively ensure signal sensitivity in the interference on-site environment. It is suitable to detect PD flaw and locate PD signal for switch cabinet etc. Features ● Built-in ultrasonic sensor. electrical fault generates ultrasonic wave at the fault point, and ultrasonic mode transmits the ultrasonic signal through the earphone to scan the area to detect the discharge. Various characteristics of vibration, pop, and hum can be associated with different faults. ● Built-in high-precision TEV sensor, coupled with electrom... -
OEM Best instrument transformer Exporters – GDJF-2008 Partial Discharge Analyzer – HV Hipot
GDJF-2008 Partial Discharge Detector is measuring partial discharge for the products such as transformers, mutual inductors, HV switches, zinc monoxide arresters and power cables. It also can make type tests and monitor insulation operation. This type has the advantages of high sensitivity, wide range of capacitance, being well equipped for input unit impedance detecting and more variants of frequency bands (9 in all). After proper setting, the discharge impulse amount can be read directly. The indicating and digital meters are shown simultaneously. This detector is widely applied in power stations, manufacturers, and institutions. Use Condition ● Ambient temperature: 0-40℃±2℃. ● Relative humidity: ≤80% ● Power supply: 220V±10%, 50HZ. ● No violent vibration and mechanical shock. ● Th... -
China High Quality cable tester Exporters – GDJF-2006 Partial Discharge Analyzer – HV Hipot
Features ● With high speed, big capacity data acquisition card. Continuously collect partial discharge data, good repeatability, and high accuracy. ● Functions of testing, analyzing (multi-parameter analysis, two-dimension atlas analysis, three-dimension atlas analysis), data storage, report, and print. Display waveform (ellipse, sine wave, line), discharge value and test voltage. ● Suitable for 50Hz, 150Hz frequency power supply, up to 400Hz. Automatic tracking external power supply frequency. ● Big color LCD screen. Large memory, with USB port. ● With anti-false operation function. Automatic adjusting gain during testing and rectifying. ● Anti-interference design. Specifications ● Capacitance range: 6pF-250μF ● Sensitivity: <0.02pc (capacitance at 50pF) ● Am... -
OEM Best Low Capacitance Measurement Circuit Factories – 50kV AC DC Dielectric Test Equipment GDYD-53D – HV Hipot
Application AC hi-pot testing is the effective and direct way to test insulation strength for electrical equipment, apparatus, or machines. It checks dangerous flaws which assure electrical equipment continuous working. Typical applications include testing of transformers, switchgear, cables, capacitors, aerial motors platforms, hot sticks bucket bricks, vacuum bottles and other related equipment like vacuum interrupters, blankets, ropes, gloves, hydraulics hose, instruments transformers generators. Features ● Digital display panel mounted controls & indicators with easy-to-read legend. ● Monitoring high voltage side voltage, low voltage side current and indicator of zero, power, working start, timing. ● Over-current protection, zero-starting protection, sound, and light alarm. ● Co... -
China High Quality clamp meter tester Exporters – GDHX-9700 Phase Detector – HV Hipot
General Information GDHX-9700 Phase Detector is mainly used in electric power lines, phase, and phase sequence calibration in substation, with main functions including electrical inspection, phase calibration and phase sequence measurement. It uses double shielding and brand-new digital circuits, with strong anti-interference, accorded with EMC standards, suitable for various electromagnetic interference situations. The high voltage phase signal of measured lead will be transmitted directly after treatment, the handset will receive and make phase comparison, determine the results after phase detection, real-time display phase angle difference and vector. It uses wireless transmission technology, safe and reliable, fast, and accurate, suitable for using at different voltage levels (10... -
China High Quality Sf6 Breaker Maintenance Exporters – GDJD-3A SF6 gas Density Relay Calibrator – HV Hipot
Product Description GDJD-3A SF6 gas Density Relay Calibrator is automatic calibrator, which uses embedded microprocessor to proceed performance calibration for all kinds of SF6 gas density relay. It is also a portable device which can make standard conversion for SF6 gas pressure at any environmental temperature. This device is mainly used for SF6 gas products production, maintenance and monitoring in power system. Features ● Automatically calibrate density relay and pressure gauge. ● Compact design, small size, and light weight, easy to carry. ● Color LCD screen, Windows menu. ● The power supply has UPS function, suitable for field operation. ● With mini-printer, to print test result directly. ● Good sealing property, do not waste SF6 gas during calibration. ● The two ends of con... -
OEM Best Continuity Tester Price Suppliers – GDCF-900T Vehicle Mounted Cable Fault Locating System – HV Hipot
Vehicle Mounted Cable Fault Locator system is used for Cable Fault conditioning (burn-down), Pre-Location, Route Location, Pin-pointing & Testing of HV & LV cables of different types&sizes. The set is suitable to carrying out the above-mentioned multifunction on power cables of various voltage levels mainly 33KV, 11KV, 415V and control cables with 1.1 KV grade. The set shall be used for cable types namely XLPE, PVC, PILC with Al / Cu conductor. The cables are laid underground (under plain earth, trenches, or RCC surface, Horizontal Drilling in HDD Pipe), above ground or partly under & partly above ground with maximum cable length around 25Km. The cable fault locator is suitable for fault locating and pinpointing the following types of cable faults. ● High resistance ● L... -
China High Quality surface resistivity meter Factory – GDDT-10U Digital Grounding Down Lead Earth Continuity Tester – HV Hipot
General Information GDDT-10U Earth Continuity Resistance Tester is a highly automatic and portable test equipment. It is applied to the measurement of breakover resistance value among earth connecting cables of substation electrical equipment. The adoption of high-performance single-chip control helps to achieve intelligence of testing process. It is small size, convenient to carry, easy to operate, high-accuracy, fast testing speed, good testing repeatability, clear to read. Features ● The instrument is controlled by high-speed single chip, thus it’s highly automatic and easy to operate. ● Using new power source technology, with many more current steps and wide measuring range. ● Intelligent power management technology, the instrument can work in the state of Min. power, w... -
China High Quality Circuit Breaker Test Equipment Factories – GDSL-BX-200 Primary Current Injection Test Set – HV Hipot
Features ● Digital control, high anti reference ability. ● Adapts autotransformer regulator which with low power consumption and large capacitance. ● Converter has high permeability core. ● Quick connects, lock design, have good current capability. ● PVC panel. ● Build-in quick plug with high safety. ● Current range can be changed, easy to read. ● Engineering plastics box, IP67 dustproof and waterproof. ● Portable design is suitable for on-site testing. ● Zero start function to prevent the test objects from damage caused by high current impulsing. The equipment only can be started at zero. ● Impulse choosing function: The current value can be outputted directly without zero protection function when the equipment is under the testing for circuit breaker. ● 0-50A AC current can be outp... -
OEM Best Cable Locator Calibration Manufacturer – 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...
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