electrical theory and electrical fundementals for all electrical related people . students , engineers, electrician #electricaltheorems,electrical,
STANDARD OPERATING PROCEDURE FOR TRANSFORMER SERVICING (SOP)
RECOR D
OF REVISION:
1
Nil
REASON FOR ISSUE:
1
To
have proper consistency and instructions / procedures in place for Transformer.
1.
PURPOSE:
1.1
To describe a procedure for the maintenance of Transformer
Oil servicing
2.
SCOPE:
2.1 This procedure is applicable for the
maintenance of all the Transformers at -------(Location)
3. REFEREN CE:
3.1.1
Utilities
Monitoring
3.2.
Other SOPs having reference to this
SOP.
3.2.1
LOTO
4. DEFINITION:
4.1
Nil
5
KEY ROLES &
RESPONSIBILITIES:
Business Role
|
Key
Responsibilities
|
Head
|
To ensure adequate
facilities, system and personnel are available to carry out this process
|
Head of the Department
|
To ensure that
procedures are in place to carry out requirement of the process. To ensure
adequate drawings / manuals, materials / spares & labors’ are available
to carry out this process
|
Supervisor/Engineer
|
Responsible for
supervising / carrying out the preventive maintenance check sheet / flow
chart / sequential steps to ensure proper completion of the task. Ensure that
the Safety Work Permit System is followed & monitored closely.
|
Contractor / Associate
|
Ensure to follow
the work permit system along with conducting the daily tool box talks with
the team and ensure proper usage of PPE. Responsible for carrying out the
preventive maintenance work. Also, timely follow the instructions as given by
the Supervisor in charge pertaining to the work.
|
6.
PROCEDURE:
6.1 Process Overview:
6.1.1
The Transformer
is main part of Electrical substation.
6.1.2
There are total of
2 Transformers’ at Substation . They are of different capacities based on the rating
if the equipment’s connected to the circuit.
6.1.3 Transformer Capacity Table
Sl No.
|
Description
|
Make
|
Quantity
|
1
|
----- KVA
|
----
|
1
|
2
|
1000 KVA
|
-----
| 1 |
6.1 Sequence:
·
Take Transformer oil sample and check BDV value through
external agency.
- The BDV Value is below 55KV,
Take the quotation from external agency for Transformer Oil servicing.
- Issue the work order to external
agency for Transformer Oil servicing.
- Planned date and time inform to
external agency.
- Arrange Power supply for
Transformer Oil service filter Unit
- Switch off Transformer incomer supply from VCB
Panel
- Take the sample oil and check
the BDV value before servicing
- Start the Oil filtration
- After Filtration check and
confirm the BDV Value of Transformer is above 55 KV
- Check the Oil level in
Transformer, Fill the new Oil if Required
- After Oil filtration Switch ON
the transformer, ensure the temperature is low
- After servicing collect the Bill
and prepare Work completion note and given to accounts for Payment
- Collect the Transformer service
report
- Notice the BDV value and Due
date in near Transformer
- This process once in a year
6.3.1
All
the activities are done manually.
7.
DOCUMENTATION
7.1
Keep
the service report at Substation and Notice the BDV value and Due date in near
Transformer
8.
PPE:
8.1
Electrical
Hand gloves, Safety shoes, Barricading (by masking tape) of the job, Fire
extinguishers (CO2 Type / Sand buckets)
9.
Tools/ equipment’s required:
9.1
Insulated Spanner,
Tester, Screw Driver,
10.
IMPACT IN CASE OF DEVIATION:
10.1
Damage to
equipment
10.2
Personnel safety
11.
CORRECTIVE ACTION IN CASE OF DEVIATION:
11.1 Training and awareness
should be given to the staff handling.
12.
STAKE HOLDERS
12.1.1
Electrical Department
13 EMERGENCY CONTACT NO’s
Sl no
|
Designation/
Name/Dept.
|
Contact
number
|
Remarks
|
1
|
|||
3
|
|||
4
|
|||
5
|
Emergency intercom number –
|
||
6
|
First Aid number
|
100
|
