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China High Quality Primary Injection Test Of Bus Bar Suppliers – GDHL-200A (GDHL-100A) Micro-Ohmmeter new – HV Hipot
General Information GDHL-200A (GDHL-100A) Micro-Ohmmeter is widely used to measure loop resistance and contact resistance for weld joints, cables, and various HV switches within power industry. It uses intelligent power test system “Smart-Quick”, which is granted software copyright, and advanced detection technology. Features ● Adopt high-precision constant current power supply, automatic rising current mode without manual adjustment, the test is fast and accurate. ● Use four-terminal wiring method, effectively eliminate the interference produced by test cable resistance. ● Wide range, high accuracy, the resistance measurement range is up to 99mΩ. ● At 200A, max. test time can reach 1~999s, which meets various on-site applications. ● Large current output for a long tim... -
OEM Best online PD test Factory – GDPD-414H Handheld Partial Discharge Detector – HV Hipot
Pictures for reference only. The GDPD-414H handheld Partial Discharge Detector adopts smart quick intelligent power test system (Soft No. 1010215, trademark registration number 14684481). It can flexibly configure various sensors according to different products to be tested. TEV, ultrasonic and HFCT are suitable for partial discharge detection of high-voltage switchgear and ring network cabinet; Ultrasonic and UHF are suitable for detecting GIS; Ultrasonic and HFCT are suitable for testing power cable. The built-in expert diagnosis system can analyze the test data and judge the discharge energy and possible parts. It is widely used in electric power and railway. Features ● Portable ABS engineering chassis. All PD detection hosts, tablets, sensors, chargers and signal cables are placed... -
China High Quality Ac Capacitor Discharge Tool Manufacturers – Partial Discharge Test System GDYT series – HV Hipot
GDYT is mainly used for testing frequency voltage insulation level of various insulation materials, insulation structure and electrical products, also as partial discharge frequency testing power supply for testing object such as transformer, mutual inductor and lightning arresters. It widely used in electrical manufacturing, power operation departments, research institutes and universities. It includes below components 1. Hipot Test Control Unit GDYD 2. PD-free Gas type transformer YDQW 3. Coupling capacitor 4. Protective resistor 5. Isolation filter LBQ 6. Partial discharge detector Features ● Advanced PD-free epoxy insulating tube, small partial discharge capacity. ● Low impedance voltage, better than national standard. ● Automatic control technology, good anti-interference performan... -
China High Quality How To Set Up A Current Injection Set Supplier – GDSL-A Automatic 3-phase Primary Current Injection Test Set with Temperature Test – HV Hipot
Features ● Built-in high configuration industrial control computer, the programmable logic controller (PLC) as the central processor, real-time scan of AC signal, to achieve comprehensive monitoring and closed-loop control, and design password settings management, only the personnel who gets corresponding operation authority, can carry out operation of certain functions. ● Color LCD touch screen. Using intelligent sensor based on field bus technology and realize the full digital data transmission, display operation unit is touch type color LCD screen, full English menu, the interface is clear and intuitive, the operation is simple and convenient. Test without any auxiliary equipment, automatic control, fast, simple and convenient. ● Automatic and manual test mode, with automatic constan... -
China High Quality Pulse Generator Suppliers – GDCY-20B 20kV Impulse Voltage Tester (Basic Type) – HV Hipot
GDCY-12B Programmable Automatic Impulse Voltage Tester is mainly based on TB/T 2653, GB/T 17627, GB/T 16927, GB14048, GB7251, GB/T 16935, IEC 61730, GB4706, GB3048, JB/T 7083 and other standard requirements. It is mainly used for safety performance (dielectric performance) detection of low-voltage electrical appliances, high and low voltage switches, solar energy, electricity meters, relays, leakage protectors, etc. The impulse output can be controlled by computer, and the test report can be printed and generated. (Picture only for reference first.) Features ● Manual/automatic/programmable mode: Manual mode adjusts impulse voltage manually by adjusting knob; Automatic mode adjusts impulse voltage automatically by the system; Programmable mode uses computer to control impulse vo... -
OEM Best electrical power monitoring system Manufacturers – GDYB-S3 Three Phase Energy Meter Test System (3 positions) – HV Hipot
Technical Specification System accuracy: 0.1%; Three phase source parameter: a. Output voltage: 3*57.7VY 3*100V ∆ ; 3*220V Y 3*380V ∆; Adjustable range 0～120% continuously adjustable Adjustment fineness: better than 0.01% b. Output current: 25mA, 0.1A, 1A, 5A, 25A,100A; Adjustable range 0～120% continuously adjustable Adjustment fineness: better than 0.01% Mininum output current: 1mA (accuracy: <5%) c. Output power: (voltage circuit) 3 * 50VA (current circuit) 3 * 150VA d. Output voltage, current, power stability: ≤0.02%/120S e. Distortion degree of output voltage and current waveform: ≤0.5% f. Symmetry of three phase angles: between 120°±0.3° g. Frequency range: 45Hz~ 65Hz, step: 0.01Hz h. Phase angle range: -180°~ 180°, step: 0.01° i. Indicating metter accuracy: V... -
OEM Best partial discharge test equipment Factories – Partial Discharge Online Monitoring System of GIS – HV Hipot
General Information Gas-insulated metal-enclosed switches (GIS) and gas-insulated metal-enclosed transmission lines (GIL) are one of the most important devices in the power system. They have the dual tasks of control and protection. If they failed during operation and the problem cannot be solved timely,it will cause serious damage to the grid. Partial discharge fault is a common fault type of GIL/GIS. It is necessary to use GIS partial discharge online monitoring and fault location system to perform real-time online monitoring of GIL/GIS partial discharge signals and analyze and process the measured data and real time give comprehensive judgment of insulation status. Then repair schedule can be arranged according to the monitoring results to avoid major grid accidents caused by equi... -
China High Quality megger 5kv insulation tester Factory – Substation Temperature Monitoring System – 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 insulation resistance testers Suppliers – GDCR3000 Digital Earth Resistance Tester – HV Hipot
General Information GDCR3000 Digital Earth Resistance Tester is specially designed and manufactured for field measurement, adopting the latest digital and micro-processing technology, 3-pole or 2-pole method for earth resistance measurement, with a unique function of wire resistance verification, anti-interference capability and the ability to adapt to the environment, to ensure high precision, high stability and reliability for prolonged measure, which is widely used in electric power, telecommunications, meteorology, oil field, construction, lightning protection, industrial electrical equipment and other earth ground resistance measurement. Measurement range & Accuracy Measurement function Range Accuracy Resolution Earth resistance 0.01Ω～20Ω ±2%rdg ±3dgt (Auxiliary ear... -
China High Quality Circuit Breaker Timing Test Equipment Manufacturer – GDGK-501 DC Power Supply – HV Hipot
Features ● Using contact regulators to output voltage and rectify by rectifier bridge. ● The output voltage is continuous adjusted. ● Thermal cut-outs for short-circuit protectors at DC output. ● Small size, light weight. Specifications ● Input Voltage: AC220V±10%, 50Hz, single phase ● Capacity: 3kVA ● Output Voltage: AC 0-260V DC 0-360V ripple: 3% ● Output Current: 10A (continuous), 20A(short time) ● 24vdc, 48vdc, 110vdc, and 250vdc, 15A ● Maximum load current: 20A ● Accuracy: 1.5% of the range ● Temperature: -10℃-45℃, humidity: <80% ● Dimension: 440*340*240 mm ● Weight: 18kg Accessories Test Box 1 set Power cord 1 piece Ground wire 1 piece Test wire 6 pieces Manual 1 piece Factory test report 1 copy Packing list 1 copy -
China High Quality Circuit Breaker Timing Test Equipment Factories – 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 50 Kv Capacitor Suppliers – AC DC High Voltage Divider – HV Hipot
GDFR-C1 series AC/DC Voltage Meter GDFR-C1 series AC/DC digital meter is on-site instrument, which test both AC and DC voltage. It consists of voltage divider and measurement instrument. Features ● Balance type equal potential shield structure. ● Fully-sealed insulation cylinder with internal excellent components. ● High accuracy and linearity, good stability and anti-interference ability. ● The voltage ratio can be customized, suitable for calibration. ● Upside down is forbidden when installation. Technical Specifications Model No. GDFR-C1-50 GDFR-C1-100 GDFR-C1-150 GDFR-C1-200 GDFR-C1-300 GDFR-C1-400 Voltage(kV) 50 100 150 200 300 400 DC frequency (Hz) <2 AC frequency (Hz) 30-300 Accuracy AC: 1.5%/DC: 1.0% Accuracy for option (G type) AC: 1.0%/DC: 0.5% – Accura...
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