Inspection of 33/11 KV Substation………...
……………………
Circle :
Division :
Sub Division :
Section :
Date of Inspection :
IR No. :
Quality Inspection Team Person
Officers of TSSPDCL present
1. General Particulars :
1 Normal incoming source from
2 Alternate incoming source from
3 Others - 33 KV outgoing supply to
2 Communications available
3 No. of Power Transformers existing
4 No. of 11 KV feeders
5 Duties of the operator 8 / 12 / 24 Hrs.
Name:
Designation: Consultant, ASCI
INSPECTION DETAILS
1 Wing Power Transformers
i) PTR - 1 PTR - 2 PTR - 3 PTR - 4
ii) Capacity
iii) Make
iv) Sl. No.
No. of Taps available
v)
/Present Tap No.
vi) Normal Tap No.
Silicajel colour & condition
vii) Op.
of breather
viii) TRE Oil leakage
ix) Op. Neutral double earthing
x) Op. Oil in breather cup
xi) TRE Oil level in conservator tank
xii) TRE Oil level in OLTC tank
Working condition of WTI &
xiii) TRE
OTI
xiv) Op. Clamps condition
IR values of winding ( M Ω )
HV to body
LV to body
xv) TRE HV to LV
Temp.
Date :
Last date of measurement of
vi) M&P
earth resistance/value
OK /
Oil and winding temp setting OK /
xvii) M&P Not OK /Not Ok OK / Not Ok
/ alarms Not Ok
Ok
Power Transformers
xviii) TRE Maintenance (Latest data
recorded in Power
Condition of vent pipe
xix) M&P
diaphragm
xx) M&P Abnormal noice / heating
Whether PTRs are parallel
xxi) Op. operated or not
Plug setting multiplayer of
xxii) Op.
earth relay
2 Potential Transformers
Available /
i) Op. 33 KV PTs
Not Available
Available /
ii) Op. 11 KV PT
Not Available
Leakage of Oil
Yes / No
iii) TRE
3 Station DTR
i) Op. LT Cable Condition
ii) Op. Distribution Box Condition
Op. Station DTR Earthing
iii)
Condition
iv) Op. Station DTR 11 KV AB Switch
Op. Station DTR 11 KV HG Fuse
v)
Set
4 Protection available
i) Op. 33 KV side Br. / HG Fuse Br. / HG Fuse Br. / HG Fuse
ii) Op. 11 KV side Br. / HG Fuse Br. / HG Fuse Br. / HG Fuse
iii) No. of breakers available
No. of breakers not in
iv)
working condition
1 M&P Healthy trip indication
2 M&P Spring Charge mechanism
3 M&P Energy meter Available / Not Available
4 Op. Clamps condition
v) TRE Oil leak from CTs
vi) M&P Last date of relays tested
Last date of checking of trip
vii) M&P
& close timing of mechanism
5 AB Switches
i) Op. Alignment of AB switch OK / Not Ok
Condition of moving and
ii) Op. fixed contacts of 33 KV AB OK / Not Ok
switches
Condition of moving and
iii) Op. fixed contacts of 11 KV OK / Not Ok
feeder AB switches
Condition of clamps for 33
iv) Op. OK / Not Ok
KV AB switches
Condition of clamps for 11
v) Op. OK / Not Ok
KV AB switches
6 Bus system
Conductor used for bus and
i) Op. Panther / Dog
jumpers
ii) Op. Condition of jumpers OK / Charred
Condition of 33 KV disc, pin,
iii) Op. OK / Chipped Condition / Charred Condition
post type insulators
Condition of 11 KV disc, pin,
iv) Op. OK / Chipped Condition / Charred Condition
post type insulators
Clamps condition
v) Op. OK / Blackened or Charred Condition
7 Batteries
i) No. of battery sets Available / Not Available
No. of Battery chargers
ii)
existing
No. of Battery chargers not
iii) M&P
working
iv) M&P AC supply to chargers OK / Not Ok
Output voltage after
v) M&P switching off AC supply in OK / Not Ok
Volts
DC earth fault - Leakage
vi) M&P OK / Not Ok
current
8 Capacitor bank
Available / Not Available
i) Capacity / Voltage
Capacity:
Voltage:
ii) Op. Working condition Yes / No
9 Lightning Arresters
i) 33 KV LAs
ii) Op. Station type Available / Not Available
iii) Op. Line type Available / Not Available
iv) 11 KV LAs
v) Op. Station type Available / Not Available
vi) Op. Line type for all feeders Available / Not Available
10 Earthing
Total No. of earth pits
i) Op.
existing
Whether all equipment
ii) Op. Yes No
earthed
iii) Op. Earthing with/Size of Flat MS / GI Flat GI wire
iv) Op. Switchyard earth resistance
11 Yard / Yard lighting
i) Op. Yard cleaning
Total no. of lighting fixures
ii) Op.
available
No. of lights in working
iii) Op.
condition
Laying of control cables in
iv) Op. OK / Re-laying under the ground is required
yard/road
v) Op. Painting of structure OK / Not Ok
Name boards for main
vi) Op. equipment (AB switches, OK / Not available / Not proper
breakers, PTRs, Capacitor
12 Civil
Laying of 40 mm
1 Civil Available/Not Available
metal/stone dust in SS yard
i) Civil Fencing to yard Available/Not Available
ii) Civil compound wall Available/Not Available
iii) Civil Condition of approach road Good Normal Bad
iv) Civil Cable trenches & Condition Available / Not Available
Bore well / Municipal water
v) Civil Available / Not Available
connection& Condition
Overhead water tank with
vi) Civil drip system for earth pits Available / Not Available
watering
vii) Civil Toilets Available / Not Available
13 Civil Control room
Condition of control panel
i) M&P OK / Not Ok
board
Furniture (Table, chair,
ii) Op. stool / bench, small Available / Not Available
almarah)
Single line diagram of
iii) Op. substation neatly painted on Available / Not Available
board
Volt meter of 11 KV &
iv) M&P Condition Available / Not Available
Available of Display Boards
of operating instructions,
v) Op. safety instructions, first aid Available / Not Available
instructions, LC operating
instructions
14 Registers
i) Op. Log Book Available / Not Available
Equipment maintenance
ii) Op. Available / Not Available
Register
Maximum/minimum
iii) Op. Available / Not Available
register
iv) Op. Supply interruption Register Available / Not Available
Daily energy consumption of
v) Op. all feeders and energy audit Available / Not Available
is being done
vi) M&P MRT register (M&P and TRE) Available / Not Available
vii) Op. LC issue regiser Available / Not Available
15 Safety Equipment
i) Op. Helmet Available / Not Available
ii) Op. Gloves Available / Not Available
iii) Op. Gum boots Available / Not Available
iv) Op. Rain Coat Available / Not Available
v) Op. Earth rods Available / Not Available
vi) Op. Fire Extinguishers Available / Not Available
vii) Op. Fire Buckets Available / Not Available
viii) Op. Earth mats Available / Not Available
ix) Op. Tool Kit Available / Not Available
x) Op. Torch Light Available / Not Available
xi) Op. Ladder Available / Not Available
16 Substation Load Particulars Available / Not Available
Over loading of Power PTR - 1 PTR - 2 PTR - 3 PTR - 4
i) Op.
Transformers
Maximum Load reached
(Amps)
Time & Date
ii) OP.: loading of 11 KV Feeders
Sl. No Name of the feeder Max. Load /Date Remarks
Remarks Noticed : -
1.
