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Questions tagged [split-phase]

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2
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2answers
62 views

AC Voltage: Wild Reading: phase-neutral & neutral-ground (240V/120V)

I'm getting some unexpected readings when testing a circuit for my wall mounted AC&heat. I'm on standard USA 120V/240V split-phase/three-wire AC power; the specific circuit is 240V. here's a ...
0
votes
0answers
31 views

How will the ceiling fan behave if I put unequal turns on different slots of same coil?

Recently I opened a ceiling fan in my home trying to understand its basic operating principle.While i was through it a few questions popped up in my mind, which are as follows:- 1.What will happen if ...
0
votes
1answer
339 views

Replacing a 220V single phase motor with a 220V split phase motor

I am replacing the motor on a whole house fan. The old one was 1/3HP 220V single phase. The new one is 1/3HP 220V split phase. Will the low, high and common connections be the same or is there ...
1
vote
1answer
3k views

Wiring for a westinghouse electrical motor?

I've got an electric split-phase motor (no capacitor) with a centrifugal switch. Specs Westinghouse electric motor manufactured in 76. RPM 1725/1140 1/2 HP 115V 60Hz Thermally protected L Type It ...
0
votes
1answer
266 views

Optimal Breaker Configuration for Split Phase Mains Power

First, let me preface this by saying this is entirely theoretical. I don't plan to install anything myself, and I'll contract a licensed electrician to do any of this work, so please don't feel the ...
4
votes
2answers
526 views

Reducing volume for a split-phase 230VAC@60Hz sealed power supply providing 5VDC@50mA

I'm a hobbyist interested in re-designing and implementing a DC power supply providing a \$+5V_{DC}\pm 200mV\$ output with a current compliance of \$50mA\$ (I could live with \$30mA\$ successfully) ...
1
vote
1answer
758 views

Modelling a “single-phase permanent split-capacitor motor” in LTspice

I'm planning to use an AC fan in an LTspice simulation. The AC fan is made up of a single-phase permanent split-capacitor (PSC) motor. Here is the actual fan: http://uk.rs-online.com/web/p/axial-fans/...
3
votes
5answers
4k views

Run heater on two powerlines, where the second line is switched according to the main line

I got a water heater which is rated 6kW. The "heating element" consists of 3 heating elements that are connected in series for 1-phase usage. I would like to run two of those heating elements on one ...
0
votes
3answers
527 views

Vpp for American split-phase 110V AC

I know the 'nominal' voltage of 110/115/120 is both based on Vrms and that stability @ any of those levels is pretty much a fairy tail. I also know that most rectifiers will output ~130-150V after re-...