Figure 4 (c) shows two (2) 11 kV/415V distribution transformers are connected using 2 incomings with sectionalizing breakers at HV and LV side. briefly summarize the switching procedure for maintenance personnel to shutdown the Transformer 2 for breaker servicing work at LV side and put back in-service.

Power System Analysis and Design (MindTap Course List)
6th Edition
ISBN:9781305632134
Author:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Publisher:J. Duncan Glover, Thomas Overbye, Mulukutla S. Sarma
Chapter9: Unsymmetrical Faults
Section: Chapter Questions
Problem 9.2P
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c) Figure 4 (c) shows two (2) 11 kV/415V distribution transformers are connected
using 2 incomings with sectionalizing breakers at HV and LV side. briefly
summarize the switching procedure for maintenance personnel to shutdown the
Transformer 2 for breaker servicing work at LV side and put back in-service.
Supply line 1
Supply line 2
Disconnect switch
Disconnect switch
HV side
breaker
HV side
breaker
HV sectionilizing
breaker
HV busleection 1
HV bus section 2
Transformer 1
Transtormer 2
Indoor switchgear
LV side
breaker
LV sectionilizing
breaker
LV bus section 1
LV bus section 2
Feeders
breakers
Outcoming feeders
Figure 4 (c)
Transcribed Image Text:c) Figure 4 (c) shows two (2) 11 kV/415V distribution transformers are connected using 2 incomings with sectionalizing breakers at HV and LV side. briefly summarize the switching procedure for maintenance personnel to shutdown the Transformer 2 for breaker servicing work at LV side and put back in-service. Supply line 1 Supply line 2 Disconnect switch Disconnect switch HV side breaker HV side breaker HV sectionilizing breaker HV busleection 1 HV bus section 2 Transformer 1 Transtormer 2 Indoor switchgear LV side breaker LV sectionilizing breaker LV bus section 1 LV bus section 2 Feeders breakers Outcoming feeders Figure 4 (c)
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