Relay and load section. In the automatic changeover switch for generator circuit diagram the contactors are indicated kg for generator and km for mains.
Yb 2811 Automatic Transfer Switch On Three Phase Manual
3 phase automatic changeover switch circuit diagram pdf. When there is a power failure on mains 1 the pfr will open. This guide will help you to make by your own generator control panels for standby generator. The circuit diagram of the three phase automatic change over switch was designed to select between two available sourc es of power giving preference to one out of the two sources. The circuit of the automatic change over switch can be described based on the construction block diagram shown in figure 1. Circuit diagram of the automatic phase selector and changeover switch v. How to install three phase automatic transferchangeover switch fig 5 shows 4 poles 3 phase automatic transfer switch ats connection to the main distribution board.
The idea of the system is simple. Designed and developed a 3 phase automatic changeover system that could detect phase failure and under voltage thereby changing over to the alternative. 2 transfer logic controller to monitor the condition of the power. You will understand all details by following a step by step 60kva amf panel manufacturing purchase the pdf book. 13 automatic transfer switch components there are three 3 basic components of a transfer switch. Three phase auto changer circuit.
Author in 3 proposed and implemented an automatic phase change over switch to disconnect load from its power source and transfer it to a standby source say generator in case there is a power. Design simulation for simulation purposes actual components in the circuit were replicated by miniature components. Block diagram of automatic changeover switch the circuit consists of the varioussections stated. Circuit diagram 3 phase automatic ch. In this case preference was given to the mains supply. 1 power switching device to shift the load circuits to and from the power source contactors changeover or circuit breakers.
Sir please give a wiring diagram for 3 phase electric connection in home some time 1 phase out 3 is not coming then we can take it from other phase how can we wiring connections for change over switch please give me connection diagram. In this video you will find out how to use phase failure relay in simple auto changeover application. All the wiring connections are same as above for manual operation of three phase changeover switch but the switching operation is automatic. Main supply section 2.