Talk about DC high voltage generator operation instructions
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The DC high voltage generator is suitable for on-site testing of various high-voltage electrical appliances in the power sector, DC voltage withstand tests and leakage tests for zinc oxide surge arresters and power cables. Also do electrostatic dust, spray and other power.
DC high voltage generator operating instructions:
â— Indicators, switches, knobs, etc. on the control box have been clearly marked. Refer to the name of the component on the panel of the control box when viewing this operating instruction.
â— The seven-core socket on the side of the high-voltage tower chassis is the socket for the control box cable. The copper terminal on the side of the chassis is used for grounding the ground terminal.
â— A high-voltage shielding ammeter is attached to the microampere meter. The jack at the top of the meter is the line jack for connecting the product to be tested. It also serves as a power switch. When not in use, unplug the plug and turn off the power automatically. When replacing the battery, please open the cover screw, and then replace the cover with a cap screw. The flat garden opens the back cover when it replaces the battery.
1. Connect the ground terminal on the panel of the control box and the ground terminal of the high voltage tower with a grounding wire and connect it with the ground wire of the site or laboratory. To ensure the safety of your equipment and equipment, be sure to check the ground repeatedly to ensure that each part is properly grounded.
Use the supplied seven-conductor cable to connect the control box and the high-voltage tower. The cables at both ends have the same quick air plug. Pay attention to insert the plug on the inside of the socket and tighten it clockwise with the notch on the side of the plug. (Any end of the cable can be connected to the control box or high voltage tower) Connect the power cord. The power supply is a single item of alternating current 220V, and the power frequency is 50HZ.
2. Turn on the power switch. At this time, the power switch light (green) and the panel light are on. Then, the high voltage indicator (green) is on. If the high pressure prompts the buzzer to be in the on position, the operator will be prompted to increase the high pressure. In this case, turn the high pressure output control knob clockwise to increase the pressure. The voltmeter is displayed as The KV value of the voltage on the load sample, the ammeter shows the sum of the current flowing through the sample and all the leakage current, but does not include the current of the built-in high-voltage divider. Current in microamperes UA value.
If the power switch is turned on and the high-voltage indicator (green) is off, and the "return to zero" indicator (red) is on in the fault display, it means that the high-voltage output control knob is not in the zero position. Please turn this knob counterclockwise to "zero". Bit "up, and turn the trim voltage knob back to zero, some "back to zero" lights are off, and then adjust clockwise to boost.
3. If overvoltage protection within the rated output voltage range is not required, turn the overvoltage protection setting knob clockwise to the maximum value. At this time, when the output voltage exceeds the rated output voltage, it is automatically protected and the high voltage is cut off. If it is required to perform voltage regulation and protection within the rated output voltage range, please step up the no-load boost voltage to the predetermined protection voltage according to the above steps, and then turn the overvoltage protection setting knob counterclockwise slowly to the required voltage. A pressure protection action is performed. The “overvoltage†indicator light is on, and the overvoltage protection setting knob is maintained at this position. The boost knob is returned to zero position and the power is turned off. When the test sample is connected, the high voltage is automatically cut off when the boost pressure exceeds the predetermined voltage. 4. When over-voltage, over-current and other faults occur, the high voltage is automatically cut off, the high voltage indicator light (green) goes off, the buzzer stops sounding, and the corresponding fault indicator is on, indicating that the sample has been short-circuited. To restart, it should be On the zero position of the high voltage output adjustment knob, the fine adjustment knob is also on the zero position, and then the power switch is turned off, and then the power switch is turned on again to remove the protection and boost the voltage again.
â— When the system is shut down during normal operation, the high-pressure adjustment knob should first be returned to the zero position counterclockwise, and then the trim voltage knob should be returned to the zero position, and the power switch should be turned off.
â— The power switch is also used to protect the reset switch. Therefore, turn off the power switch and turn it on again to turn off the protection after the fault indicator lamp (excluding the zero return indicator lamp) is lit, and then raise the voltage again.
5, when the load is a large capacitive load, in order to avoid excessive charging current trigger over-current protection, please slow down the appropriate boosting speed. After the test is finished, turn the output voltage adjustment knob counterclockwise to zero. At this time, the voltmeter will still display the voltage value on the sample. Please wait until the sample passes the high voltage tower discharge to below 20KV and discharge it with the ground rod to ensure that Safety.
Yangzhou City Feikete Electric Co., Ltd. independent research and development of ZGF2000 series DC high voltage generator products, you are welcome to inquire the product's detailed information!