Please note that with our meeting with EdL today about Lakhok shutdown the following came to light:
• Both Feeders outside the station were alive with Lakhok running from Feeder 1, but had a power inconsistency and caused the MCB to trip. The ATS operated correctly, switching over from Feeder 1 to Feeder 2. Thus Lakhok power was restored.
• Although both Feeders outside the station were still alive, Feeder 2 also had a power inconsistency causing the other MCB to trip but the ATS did not switch back from feeder 2 to 1 to restore power and subsequently left the station shutdown without any indication to anybody.
This leaves us with the problem of how the ATS was supposed to work.
• Obviously the ATS is supposed to switch back to utilize any alive Feeder to keep the supply 100% at Lakhok, but apparently the system is unable to do so.
• Please contact your supplier and enquire if this ATS is automatic or manuel
• If your operation request was incorrectly forwarded to your supplier, please request the technician to rectify this problem to enable a fully automatic system that can be trusted.
• If the ATS was incorrectly installed, please request your supplier to fix immediately.
Your urgent attention to this critical matter is greatly appreciated.
Please note that with our meeting with EdL today about Lakhok shutdown the following came to light:• Both Feeders outside the station were alive with Lakhok running from Feeder 1, but had a power inconsistency and caused the MCB to trip. The ATS operated correctly, switching over from Feeder 1 to Feeder 2. Thus Lakhok power was restored.• Although both Feeders outside the station were still alive, Feeder 2 also had a power inconsistency causing the other MCB to trip but the ATS did not switch back from feeder 2 to 1 to restore power and subsequently left the station shutdown without any indication to anybody. This leaves us with the problem of how the ATS was supposed to work.• Obviously the ATS is supposed to switch back to utilize any alive Feeder to keep the supply 100% at Lakhok, but apparently the system is unable to do so.• Please contact your supplier and enquire if this ATS is automatic or manuel• If your operation request was incorrectly forwarded to your supplier, please request the technician to rectify this problem to enable a fully automatic system that can be trusted.• If the ATS was incorrectly installed, please request your supplier to fix immediately.Your urgent attention to this critical matter is greatly appreciated.
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