Auto Phase Changer Three Phase 3/3 APS-01
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Electronic Auto Phase Changer
Auto Phase Changer AMS Model Num APS-01 has the capcity of Auto, Phase Changer or Switcher Auto Phase Changer for ?industrial sector Home, and telecom industries, ?It is ?Micro Controller Base having input voltage 220VAC, load capacity.
MODEL ? AMS-APS-01
AC Input voltage – 220V/440V AC
Loading Capacity ? 20/40/60AMPS
Single Phase/Three Phase
Micro Controller Basesd,
Instant automatic phase change when any phase fails.
Can get electric supply in all three phase lines. During phase failure.
Need not monitor for switch back.
Avoids physical operation and suffering.
Can select to suit your requirement.
Quality components are used to provide 100% efficiency.
We are manufacturer of wide range of Automatic Changeovers like Single Phase Changeover, Three Phase Changeover and Automatic phase-changer. Our range of change-overs finds wide application in industries as well as in domestic sphere for use in low voltage distribution circuits, wherever continuity of supply is necessary, for switching to an alternate source of supply from main supply and vise-verse. It is provided of switch dis connectors with independent manual operation, capable of making, carrying and breaking currents under normal circuit conditions, which may include operating overload condition and also carry currents under specified abnormal circuit conditions such as those of short circuit for a specified time.
This circuit is a modification of High & Low voltage cut-off with delay& alarm circuit? appeared in Circuits today, which I have tried and found to be quite reliable. You can adopt this circuit with small modification. Use a transformer with secondary 15 ? 0 ? 15 AC Volt at 500mA, for 18Volt relay operation. Normally any modern electrical / electronic equipment can operate with 230 Volt ? 15% AC supply. That is, it can stand normal voltage operating range of 195 to 265 Volts. It may misbehave beyond this voltage range. You can choose the practical voltage required for the low end high cut off to change over to other phase.
Set VR3 for minimum voltage to switch on the relay (Say 195 Volt input).
Set VR1 to switch off the relay above a particular voltage (say 260Volt input).
You can use a 100?F 40 Volts good make in parallel with relay for chatter free operation.
Each Phase you have to use one module as above.
The relay interconnections are shown in the connection diagram above.
T1 can be a 15-015 V secondary, 230V primary, 500mA step down transformer.
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