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Low Voltage Switchgear
สวิตซ์เกียร์แรงดันปานกลาง
ขอบเขตการให้บริการ
Site Acceptance Test and Preventive Maintenance
Medium Voltage Switchgear and RMU
– Insulation resistance test
– Contact resistance test
– Operating time test
Protective relay
– Pick up / drop off value test
– Time characteristic test
Replacement Protective Relay
- Trouble shooting
- Calculation new parameter setting and configuration
and setting
- Modification control wiring
- Complete logic diagram
Upgrade and Modification
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