APPROVAL TO ENERGISE HV SUB-STATION

FORM- A

APPLICATION FOR APPROVAL TO ENERGISE HV SUB-STATION / EQUIPMENTS

(Under rule 63 of Indian Electricity Rule, 1956)

1.       Name of Division _________________________2.  Name of S/ Division __________________________

3.       Name of S/Station ____________________________________ Capacity________Voltage Ratio ______

4.       Inspection fee Rs. _____________________  Challan No. ________________   Date ________________

5.       Date of Application _____________________ 6.  Proposed date of energisation ___________________

7.       Schematic diagram of the installation (to be attached)

8.       Any other relevant information __________________________________________________________

               Installation Result:-

9.       Insulation resistance between:-

                                I.            HT/ LT _______________________

                              II.            HT/Earth _____________________

                            III.            LT/Earth _____________________

10.   Size conductor used for earthing _________________________________________________________

11.   Earth resistance _______________________________________________________________________

Individual electrodes ____________________________  Combined _____________________________

                                I.            Pit No. 1 _________________________

                              II.            Pit No. 2 _________________________

                            III.            Pit No. 3 _________________________

                            IV.            Pit No. 4 _________________________

                              V.            Pit No. 5 _________________________

12.   Transformation oil insulation test result ___________________________________________________

13.   General condition of the installation (as detailed below) :-

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Rule No. of I.E. Rules, 1956	Description	Report of the SDO	Observation of Inspecting      Officer
1	2	3	4
35. 61. 64. 67. 68. 69.	Have the “Danger Notices” in Hindi or in English and of the type approved by the Electrical Inspector been affixed permanently in Conspicuous position as per this rule? a)      Is the body of the transformer effectively earthed by two separate and distinct connections with earth? b)      Is the L.T. Switch and box double earthed? a)      Is GO Switch/ DO fuses provided to make the system dead in sections for carrying out work on them. b)      Is GO Switch properly locked? c)       Is the sectional clearance above the transformer adequate as per rule i.e. 11 KV                          2.6 Mtrs.         22/33 KV                                    2.8 Mtrs. d)      Have to minimum working safety clearances for bare conductor or live parts of apparatus in outdoor sub-station been maintained as per this rule i.e. Upto 11 KV                               2.75 Mtrs. 22 KV and                                 3.70 Mtrs. Upto 33 KV a)      Has the neutral of transformer been earthed by two separate and distinct connections with earth? b)      As the earth wire free from mechanical damage? Have the outdoor (Except pole type) sub-station efficiently protected by fencing not less than 1.8 Mtrs. In height? Where platform type construction is used for a pole sub-station and sufficient space for a person to stand on the platform is provided, has hand rail been built around the said platform and where the hand rail is metallic, has it been earthed?

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1	2	3	4
90. 91.	a)      Are all metallic parts of the structure effectively earthed? b)      Has the fencing of the sub-station been adequately earthed? c)       Is the handle of GO switch properly and effectively earthed? d)      Is the GO switch operating rod double earthed? e)      Are the stays properly and effectively earthed or insulators provided in them at a height of not less than 3 metres form the ground? Are the anti-climbing devices provided at suitable height as per the requirement of the rule? a)      Are the lightning arrestors provided with distinct and separate earth? b)      Are the lower arcing horns effectively earthed?

       

REMARKS:

        Signature of Executing Agency,                                                                         Signature of Owner of the Installation.

       

        Assistant Executive Engineer,

        Electrical Sub-Division,