With the concept of "safety, care for life", the concept of safe production has been continuously implemented. The stricter and more detailed regulations have been formulated for the inspection. It has achieved good results in practical applications. The inspection is guaranteed to be in full power outage or part. One of the important technical measures for the safety of workers on electrical equipment in power outages.
High-voltage electroscopes are tools used to check whether high-voltage lines and electrical equipment are energized. They are the most basic safety tools commonly used in substations. High-voltage electroscopes generally use glow as an indication signal. New high-voltage electroscopes are also indicated by sound or language. The high-voltage electroscope consists of metal working contacts, small bubbles, capacitors, handles, etc.
1. When inspecting the electricity, let the metal working contact at the top of the electroscope gradually approach the live part, and do not directly touch the live part of the electrical equipment until the sputum emits light or emits an audible alarm signal. The electroscope should not be affected by the proximity of the electrified body, and even send a wrong signal.
2, the use of high-voltage electroscope must wear high-voltage insulation gloves, insulated shoes, and have someone to supervise.
3. Before using the electroscope, first check whether the electroscope is good or not. It should also verify that the alarm is correct on the live equipment with the appropriate voltage level. Only when the equipment needs to be grounded, the voltage is not allowed. The corresponding electroscope is inspected to avoid false judgments during the on-site test.
4. After the power inspection is completed, the grounding operation should be carried out immediately. After the power inspection, the grounding is not performed in time due to the interruption. If it is necessary to continue the operation, the power must be re-inspected.
5. The power inspection of the line shall be carried out phase by step. When checking the circuit breaker or disconnecting switch or other maintenance equipment for communication, the phases shall be checked separately on both sides of the incoming and outgoing lines.
6. When inspecting the multi-layer power lines erected on the same tower, the low voltage, the post-test high pressure, the a priori lower layer and the posterior upper layer are tested.
7. Check the power on the capacitor bank and wait until the discharge is complete.
8. The high-voltage electroscope that is put into use must be an electroscope that has passed the electrical test. The high-voltage electroscope must be tested regularly to ensure its performance.
9. If a ladder is required during the power inspection, a firm ladder of insulating material should be used, and the necessary anti-slip measures should be taken to prohibit the use of metal ladders.
10, the spirit of concentration must be concentrated in the examination, can not do anything unrelated to the inspection, such as picking up the phone, etc., so as not to miss or miss.
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