Details: carrying out camc services for 116 pcu's under different sales areas-viz.rajahmundry, visakh, vizianagram, kakinada and anakapalle within visakh retail regional office. themake of pcu for which amc services are required is as follows:static power conditioner 15 kva1. power rating: 15 kva, three phase unbalanced load.2. regulator type: voltage regulation shall be performed by igbt driven pwm inverteroperating at around 20 khz switching frequency with typical voltage correction time of 20 ms(one ac cycle for 50 hz supply), so that the output voltage complies with the requirements ofitic curve for regulated voltage supply to electronic machinery. voltage regulation shall beachieved by superimposition of pwm wave on incoming wave, without any brake in the powerpath. static voltage regulator shall use only static parts for real-time voltage correction. it shallnot use any such moving part like relay or brush, which limits the rate of voltage regulation.there shall be no switching in the pow
Sector: Custom1