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Voltage test bench UHV-283
electricfully-automaticPLC-controlled

Voltage test bench - UHV-283 - Wuhan UHV Power Technology Co.,Ltd. - electric / fully-automatic / PLC-controlled
Voltage test bench - UHV-283 - Wuhan UHV Power Technology Co.,Ltd. - electric / fully-automatic / PLC-controlled
Voltage test bench - UHV-283 - Wuhan UHV Power Technology Co.,Ltd. - electric / fully-automatic / PLC-controlled - image - 2
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Go to the Wuhan UHV Power Technology Co.,Ltd. website for more information

Characteristics

Test type
electric, voltage
Operating mode
fully-automatic, PLC-controlled, computerized
Test material
for insulating materials
Technology
digital
Configuration
fixed
Other characteristics
precision, with touchscreen, high-voltage, with measuring device

Description

Product Introduction
  • The Automatic Water Injection Insulating Boots (Gloves) Voltage Withstand Device is developed in accordance with the requirements of the following standards and regulations:
  • DL/T 976-2017 Preventive Test Regulations for Tools, Devices and Equipment for Live Work
  • DL/T 1476-2015 Preventive Test Regulations for Electrical Safety Appliances
  • GB/T 17622-2008 Insulating Gloves for Live Work
  • GB 21148-2020 Foot Protection – Safety Footwear
  • Building upon our company's original automatic tripping insulating gloves and boots voltage withstand device, we have developed an automatic water injection system specifically designed for insulating gloves. This device enables automatic water injection in accordance with regulatory requirements, followed by intelligent insulation voltage withstand testing.
  • According to relevant regulations, the resistance test period for insulating gloves and insulating boots is six months, with breakdown strictly prohibited during testing. Additionally, the leakage current of insulating gloves and insulating boots must not exceed the specified limit values.
  • This product is suitable for use in all industries related to electric power operations.

Water injection instructions
  • The test bench comprises two parts: the automatic water-injection unit and the testing machine; the testing machine connects to the high-voltage terminal and the chassis via insulation links.
  • Components of the injection unit: water pump, solenoid valve and lifting motor. Ground the test bench casing and connect to AC 220V. Use the inlet to fill and the outlet to drain the tank.
  • Connect the water hose to the inlet, open the valve to fill the tank and close it when full. Do not leave unattended during filling to avoid overflow.
  • The system uses recycled water. With power on the system enters standby. Press the glove/boot test button on the control panel: the injection unit descends, inserts the injection port into the sample, fills to the required level, then automatically lifts back to the initial position.
  • Use the touch-screen to set test and injection parameters; emergency stop is available on the control panel for safety.

Product Characteristics
  • Multi-Channel Testing: The voltage test device can perform power frequency voltage tests on up to 8 insulated gloves or insulated boots simultaneously, measuring the leakage current of each test object individually.
  • Automated Glove Testing: For insulated glove testing, an automatic water injection method is employed. Test personnel only need to install the gloves as required and select the glove insulation level on the water injection device interface. The system automatically sets the distance between the glove cuff and the water surface in accordance with standards such as DL/T 1476-2015 and GB/T 17622-2008. After the water jacket is filled, the water injection device adds water to the tank to ensure consistent water levels both inside and outside the gloves.
  • Dry Method for Shoe Testing: For insulated shoe testing, small steel balls are placed inside the shoes using a dry test method, eliminating the traditional water-filling approach and avoiding the difficulty of drying after testing. A sponge is placed at the bottom of the sink, and the insulated boots are placed on the sponge. Water is automatically injected into the sink until the sponge is fully saturated.
  • Advanced Water Injection Control: The water injection device utilizes advanced PLC control, enabling functions such as one-key water injection, test position detection, glove water level detection, sink water level detection, and automatic reset. These features ensure test accuracy and safety while simplifying equipment use and maintenance.
  • User-Friendly Interface: The water injection device features a human-machine interface that provides status warnings throughout the water injection process.
  • Wireless Leakage Current Collection: The leakage current collection box samples up to 8 channels of leakage current and transmits data wirelessly to the control host, with values displayed on a bright LED display module. The collection box is powered by a lithium battery, with battery level shown as a percentage. The segmented tripping mechanism utilizes electromagnet and spring structures, ensuring that when any channel experiences breakdown or exceeds the set leakage current value, that test object is quickly disconnected without affecting other ongoing tests.
  • Large-Screen Display: Both the water injection device and control device feature touch-screen large-screen displays with Chinese character interface. A single screen simultaneously displays test voltage, low-voltage output current, 8-channel high-voltage leakage current, timing duration, and other parameters, along with Chinese text prompts.
  • Automatic Voltage Withstand Testing: The control device uses a high-precision stepper motor to control the voltage regulator boosting process, enabling fully automatic voltage withstand testing. After the test starts, the instrument automatically switches on and boosts voltage according to national standard requirements. Upon reaching the preset voltage, timing begins and the test voltage is maintained. After timing completes, the voltage automatically decreases. When zero voltage is reached, power is automatically cut off, indicating test completion, and the leakage current for each test object is displayed.
  • Flexible Transformer Configuration: The test transformer ratio can be set according to the configured transformer, allowing compatibility with the customer's existing transformer.
  • Optional PC Software: The device is equipped with upper computer software. Users may choose to configure a computer as needed. The software enables full-process equipment control, data display and measurement, report generation and printing, and data uploading.

Technical specifications
  • Device output voltage range: AC 0 ~ 50 kV (control 0 ~ 250 V)
  • Rated output capacity: 5 kVA
  • Device input current: 0 ~ 20 A
  • Leakage current measurement range: 0 ~ 30.0 mA (optional 0 ~ 50 mA)
  • Leakage current accuracy: 1% ± 3 digits
  • Leakage current resolution: 0.01 mA
  • Voltage measurement accuracy: ≤1% of reading ±0.1% of range
  • Current measurement accuracy: ≤1% of reading ±0.1% of range
  • Digital timer display: 0 ~ 999 s
  • Console dimensions: 1300mm × 940mm × 860mm
  • Water injection unit dimensions: 1900mm × 950mm × 1860mm
  • Console weight: 50 kg
  • Water injection unit weight: 200 kg

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