R Y B

1
R Y B
R G A W B
Banks Office Building At Patna 11 KV HT Panel
PT 2A VSS V
11KV, 800A VCB
ASS A
OCEF
CT
Tri-Vector Meter
CT
Section 1
Section 2
R G A W B
R G A W B
PT 2A VSS V
PT 2A VSS V
11KV, 800A VCB
11KV, 800A VCB
OC EF
OC EF
CT
CT
ASS A
ASS A
CT
CT
To 1000 KVA, 11KV/0.415KV Transformer 1
To 1000 KVA, 11KV/0.415KV Transformer 2
VCB Section
2
From HT panel Section 1
From HT panel Section 2
11 KV 3x185 sq.mm. XLPE FRLS cables from HT panel
1000 KVA 11/0.415KV TR 1
1000 KVA 11/0.415KV TR 2
4x3.5x400 sq.mm. FRLS AL cable
0-500 V
0-500 V
2A VSS V
2A VSS V
PM
PM
R Y B
R Y B
2500A 4P MDO ACB Microprocessor
2500A 4P MDO ACB Microprocessor
ASS A
ASS A
OCEF
OCEF
0-1500 A
0-1500 A
To APFC panel 1
To APFC panel 2
To LT panel Section 1
To LT panel Section 2
Main LT Panel - Incomer side
Transformer Section
3
415 V LT panel
4x3.5x400 sq.mm. ALcable
From LT breaker for Section 1
From LT breaker for Section 2
Main LT Panel
2500A 4P MDO ACB Bus Coupler
11
1
2
3
4
5
9
10
6
7
8
R Y B
R Y B
R Y B
1000A ACB
200A SDFU
1000A ACB
100A SDFU
630A SDFU
630A SDFU
200A SDFU
250A SDFU
400A SDFU
1000A ACB
400A SDFU
To AMF Panel (EP-II)
To AMF Panel (EP-III)
To AMF Panel (EP-I)
APFC-I
Spare
Spare
ACB Panel No.2
APFC-II
Spare
Spare
ACB Panel No.1
Main LT panel Outgoing side
4
From output of AMF panel of 600 KVA generator set
1000A 4P MDO ACB
R Y B
(With EF and OC protection)
0-500 V
2A VSS V
ASS A
0-1500 A
1
2
3
4
5
6
7
200A SDFU
300A SDFU
200A SDFU
100A SDFU
100A SDFU
300A SDFU
630A SDFU
AC Plant
Lighting fan
CVPS
New panel
Spare
Spare
Spare
Emergency Panel EP-I
5
From output of AMF panel of 250 KVA generator set
400A SDFU
R Y B
0-500 V
2A VSS V
ASS A
0-400 A
1
2
3
4
5
125A SDFU
63A SDFU
200A SDFU
200A SDFU
125A SDFU
Power load
Computer load
Executive area
Spare
Executive area
Emergency Panel EP-II
6
From output of AMF panel of 110 KVA generator set
250A SDFU
R Y B
0-500 V
2A VSS V
ASS A
0-300 A
1
2
3
4
200A SDFU
100A SDFU
63A SDFU
63A SDFU
Existing 110 KVA load
Spare
Spare
Spare
Emergency Panel EP-III
7
From LT panel
From proposed generator set
630A SDFU
R Y B
0-500 V
2A VSS V
ASS A
0-400 A
Digital PF meter
A/M Switch
8x63A SDFU
APF Relay
8 Nos. 63A TP contactors
8x25 KVAR capacitors
APFC Panel