Maintenance of customized transformer 250kva
- Categories:Industry Dynamics
- Author:
- Origin:
- Time of issue:2022-07-27
- Views:0
(Summary description)The maintenance of customized transformer 250kva mainly includes the following contents.
(1) Basic requirements
1) The maintenance personnel of the customized transformer 250kva must hold a certificate, and those without a certificate have no right to operate.
2) When power failure is required for maintenance, it should be reported to the competent authority for approval, and the user should be notified.
customized transformer 250kva
customized transformer 250kva
Maintenance of customized transformer 250kva
(Summary description)The maintenance of customized transformer 250kva mainly includes the following contents.
(1) Basic requirements
1) The maintenance personnel of the customized transformer 250kva must hold a certificate, and those without a certificate have no right to operate.
2) When power failure is required for maintenance, it should be reported to the competent authority for approval, and the user should be notified.
- Categories:Industry Dynamics
- Author:
- Origin:
- Time of issue:2022-07-27
- Views:0
The maintenance of customized transformer 250kva mainly includes the following contents.
(1) Basic requirements
1) The maintenance personnel of the customized transformer 250kva must hold a certificate, and those without a certificate have no right to operate.
2) When power failure is required for maintenance, it should be reported to the competent authority for approval, and the user should be notified.
3) The outdoor oil-immersed transformer should check the insulating oil once a year, and the indoor oil-immersed transformer should check the insulating oil once every two years.
(2) Operation sequence of customized transformer 250kva switch-off operation: when the power is cut off, the load side is stopped first, and then the power supply side is stopped; when the power is transmitted, the above operation sequence is reversed.
1) Power is transmitted from the power supply side to the load side step by step. If there is a fault, it is easy to determine the scope of the fault, and make judgments and treatments in time to prevent the fault from spreading and expanding.
2) In the case of multiple power sources, stop the load side first to prevent reverse charging of the customized transformer 250kva. If the power supply side is stopped first, the protection device may malfunction in case of failure.
(3) Patrol inspection: According to the requirements of the substation safety operation regulations, in addition to the patrol inspection required by the operating duty personnel when the shift is handed over, a substation should be patrolled and inspected 5 times per shift. The inspection items are as follows.
1) Whether the temperature and sound of the customized transformer 250kva are normal, and whether there are peculiar smell, discoloration, overheating and smoking.
2) Whether the connection of the customized transformer 250kva grounding is in good contact and whether there is discoloration.
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