Automatic changeover switch ATS diagram:
This diagram shows the ATS is a generator & rural power line connection. ATS works to automatically start the generator when the rural power line goes down. Again when the rural power line comes the ATS works for the automatic shutdown of the generator. When the power goes off, the relay signals the magnetic contactor, the magnetic contactor is normally closed, and the generator automatically starts after the time set by the timer. Just when the power comes on again, the generator is similarly shut down.
Diagram of Changeover switch ATS wiring:
Components Need for this Project:
You can get the components from any of the sites below:
- DP MCB [See Buy Click Amazon]
- 8-pin Timer [See Buy Click Amazon]
- Relay [See Buy Click Amazon]
- Magnetic Contactor [See Buy Click Amazon]
*Please note: These are affiliate links. I may make a commission if you buy the components through these links. I would appreciate your support in this way!
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Components used to make the automatic changeover switch:
01. DP MCB
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| Fig 2: DP MCB |
Double pole MCB can control two wires. This circuit breaker is generally used in single-phase electric lines. Double pole MCB circuit breaker input has two wires supply two wires and an output. In a single-phase line, A double-pole MCB circuit breaker is used to give good production. This circuit breaker is provided through phase and neutral circuit breaker, it is very safe. This circuit breaker is preferred for home appliances. A DP MCB usually trips for 2 reasons 1. Overload 2. Short circuit.
02. 8-Pin Timer
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| Fig 03: 8-Pin Timer |
Timer is a specialized type of clock used for measuring specific time intervals.An electromechanical cam timer uses a small synchronous AC motor turning a cam against a comb of switch contacts. This type of timer often has a friction clutch between the gear train and the cam, the cam can be turned to reset the time.A simple example of the first type is an hourglass. Working method timers have two main groups: hardware and software timers.Most timers give an indication that the time interval that had been set has expired.
03. Relay
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| Fig 4: Relay |
This relay is known as 8 pin relay because it has 8 terminals. When coil power is supplied. A magnetic induction is created due to which the connected sheet of the Com part moves towards the NO part changing to NO-NC. The former NC region loses conductivity and becomes NO. Thus, as long as power is supplied to the coil, the NO and NC positions will remain in the alternating state, and when the power is removed from the coil, it will return to its original position. This is basically how a relay switch works.
04. Magnetic Contactor
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| Fig 5:Â Magnetic Contactor |
A magnetic contactor is an electrical device used for load control, automation, and protection. It is much like a magnetic reel. However, relays are generally used for low power and voltage, on the other hand, when we think of high power, these heavy-duty contractors only come to mind. It basically works by switching the load on and off. It has 3 terminals whose inputs are denoted as L1, L2, L3, and outputs as T1, T2, and T3. The circuit of the load is made in automation mode or protection using auxiliary contacts. It has two types of terminals. 1) Normally Open (NO). 2) Normally Closed (NC).
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