Circuit failure analysis of oil immersed transformer from China manufacturer
- Categories:Oil immersed transformer
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- Time of issue:2022-10-03
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(Summary description)Oil immersed transformers from China manufacturer are the core operating equipment of power plants and substations, and their operating conditions are directly related to the actual power supply quality of the power system. Due to various reasons such as product production, equipment installation, operation management and service life, it is inevitable that unexpected failures will occur during operation.
Oil immersed transformers from China manufacturer
Oil immersed transformers from China manufacturer
Circuit failure analysis of oil immersed transformer from China manufacturer
(Summary description)Oil immersed transformers from China manufacturer are the core operating equipment of power plants and substations, and their operating conditions are directly related to the actual power supply quality of the power system. Due to various reasons such as product production, equipment installation, operation management and service life, it is inevitable that unexpected failures will occur during operation.
- Categories:Oil immersed transformer
- Author:
- Origin:
- Time of issue:2022-10-03
- Views:0
Oil immersed transformers from China manufacturer are the core operating equipment of power plants and substations, and their operating conditions are directly related to the actual power supply quality of the power system. Due to various reasons such as product production, equipment installation, operation management and service life, it is inevitable that unexpected failures will occur during operation.
If the oil immersed transformer from China manufacturer fails during operation, it will cause the interruption of the power consumption process, or cause the equipment to stop running, and may even lead to an uncontrollable major power consumption accident.
Circuit failure analysis of oil immersed transformer from China manufacturer:
Faults caused by damage to insulating materials: Insulation failure between turns of windings: poor heat dissipation due to long-term overload, long-term operation of oil immersed transformers from China manufacturer, and aging of insulating materials resulting in short-circuit between turns, due to multiple short-circuits at the transformer outlet, the windings The inter-turn insulation is damaged due to stress deformation. Moisture enters the transformer, causing the inter-turn insulation to be damp and short-circuit; at the reinforced section of the high-voltage winding or the end of the low-voltage winding, due to the expansion of the total package insulation, the oil passage is blocked, and the insulation is overheated and aged, causing inter-turn short circuit.
In case of failure of the main insulation and outgoing wires: Moisture enters the oil immersed transformer from China manufacturer. The main insulation is damaged by moisture; due to oil leakage, the transformer is seriously short of oil. The part of the lead wire is exposed to the air, which reduces the insulation strength and causes internal flashover failure; the lead wire is poorly connected and the lead wire joint is not welded firmly. After the short-circuit impact, the lead wire is disconnected.
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