DISTRIBUTION TRANSFORMER TECHNICAL SPECIFICATION EXAMPLE DOWNLOAD LINK

TECHNICAL SPECIFICATIONS OF DISTRIBUTION TRANSFORMER LINKS
Technical Specifications Distribution Transformer

DISTRIBUTION TRANSFORMER SAMPLE SPECS FROM INDIA


2.1 All equipment and material shall be designed manufactured and tested in accordance with the  latest applicable Indian Standard. IEC standard and CBIP manuals except where modified  and / or supplemented this specification.

2.2. Equipment and material confirming to any other standard, which ensures equal or better  quality, may be accepted. In such case copies of English version of the standard adopted  shall be submitted.

2.3. The Transformer offered shall in general comply with the latest issues including amendments  of the following Indian standards but not restricted to it.

3. System Description:
The distribution transformers shall be installed at outdoor/indoor location along 11 kV  distribution networks, which consists of both underground and overhead network. The HV  winding would be connected to SFU/OCB/VCB of the ring main unit through 11 kV (E)  XLPE/PILC cable. LV winding would be connected to switch type Fuse section pillar through 1.1  kV 1c, 400 sq mm XLPE cable.

4. Design Criteria:
4.1. The transformers shall be installed in hot, humid tropical atmosphere. All equipment  accessories and wiring shall be provided with tropical finish to prevent fungus growth..

4.2. The transformers shall be capable of continuous operation of rated output under the operating conditions of voltage and frequency variations as per statutory limits governed by relevant  Indian Standard and Electricity Act-2003 and its amendments in force.

4.3. The transformer shall conform to best engineering practice.

4.4. The design material construction shall be such that to secure reliability, economy, safe and  convenient operation and shall include   all specified or unspecified incidental items  necessary for similar equipment for convenient working in every respect.

4.5. The transformers shall be capable of withstanding the short circuit stresses due to terminal  fault between phase to phase and phase to ground on one winding with full voltage  maintained on the other windings for a minimum period of three seconds.

4.6. The transformers shall be free from annoying hum or vibration. The design shall be such as  not to cause any undesirable interference with radio or communication circuits.

4.7. Atmospheric Condition: The equipment offered shall be suitable for continuous satisfactory  operation in following prevailing climatic conditions.

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