1. Number of Rectifier Equipment required, details of associated line equipment metering, protection & Control equipment
2. DC load requirement (with maximum & minimum DC voltage range and current requirement)
3. Details of input AC system (with variation & fault level expected)
4. Main Transformer details (including type of cooling & terminations and dimensional limitations if any)
5. Rectifier details (including type of cooling) & dimensional limitation if any.
6. Details of control, protection & metering. Type of control required (constant current/constant voltage etc.) in case of number of parallel units individual or group control or both.
7. Parallel operation: if equipment is expected to operate in parallel with any existing equipment, full details of existing equipment may be given.
8. Service conditions: Ambient average and maximum temperature, humidity, altitude and type of atmosphere prevalent
9. Cooling water Details of available cooling water (including chemical analysis) and maximum temperature of cooling water
10. General Requirement

1. Details of available auxiliary power
     AC voltage frequency KVA phases
     DC Volts Ampere hour capacity of battery.
2. Preferred physical arrangement (Rectiformer Construction/Conventional construction)
3. Inter connections
4. Finish of equipment

  Any other specific details which customer may like to give.

For General Enquiry & Service Request   

Addl General Manager (Commercial) Switchgear Controlgear Sales Block IV Annexe WW FF BHEL Bhopal, India-462 022 Tel:+91-755-2503768 Fax:+91-755-4201472 Email: kinra@bhelbpl.co.in General Manager Control Equipment Engineering Block III Annexe WW GF BHEL Bhopal, India-462 022 Tel:+91-755-2502035 Fax:+91-755-4201893 Email: dkthakur@bhelbpl.co.in