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coastalsyrolover
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Re: Generator for sirens (Thunderbolt)

Tue Sep 11, 2018 5:43 pm

FSThunderboltfan1000 wrote:
Tue Sep 11, 2018 12:57 pm
coastalsyrolover wrote:
Tue Sep 11, 2018 2:11 am
NKTBOLT wrote:
Mon Sep 10, 2018 10:28 pm


I would advise replacing the motors, or getting a VFD to run the whole unit off a generator on the RCM 3 without the hassle of replacing the motors.
Hmm... now there’s an idea. Oh and just for an advisory: the RCM3 is the solenoid runner on the 1003... we have RCM1s :) but I know of a few rural/remote fire stations that may be willing to do that...
Variable Frequency Drive not Voulenteer Fire Department.....
? Not making a connection. (Get it?) explain?
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Re: Generator for sirens (Thunderbolt)

Wed Sep 12, 2018 12:05 am

I’ve used both phase converters and VFD’s. The VFD in my opinion is the way to go, alows long ramp time so no start surge, efficient, small, and simple to start/run once set up. That said, if the siren is the only forseable three phase equipment you will own replacing with a single phase motor is the way I’d go.

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coastalsyrolover
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Re: Generator for sirens (Thunderbolt)

Wed Sep 12, 2018 4:44 am

Thanks so far for the help you all! So few things: 1, I will not be using the rotator. 2, the reason I wanted to go through my RCM1 was because I heard it was better for it to run it that way. 3, I’m gonna have to take whatever blower I can get be it single or 3ph. I obviously don’t get a lot about electricity so I’d need to make sure that any VFD I go to has the right specs for me to run such a thing. Even if I separately plug the chopper and blower directly in.
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Re: Generator for sirens (Thunderbolt)

Wed Sep 12, 2018 3:21 pm

coastalsyrolover wrote:
Wed Sep 12, 2018 4:44 am
Thanks so far for the help you all! So few things: 1, I will not be using the rotator. 2, the reason I wanted to go through my RCM1 was because I heard it was better for it to run it that way. 3, I’m gonna have to take whatever blower I can get be it single or 3ph. I obviously don’t get a lot about electricity so I’d need to make sure that any VFD I go to has the right specs for me to run such a thing. Even if I separately plug the chopper and blower directly in.
Running the chopper isn't a problem. The chopper motors are all single phase anyways. You could plug it into the wall and it will run off 115V supplied from the plug if you wanted to. Using a phase converter with a 3 phase blower, you might as well forget about it. You are better off replacing the motor with a single phase one. A converter that can support it would cost about as much as a motor itself, if not more.
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Re: Generator for sirens (Thunderbolt)

Wed Sep 12, 2018 7:21 pm

And did we know for sure how much HP a single phase motor for a 5M needed? I can get my hands on a single phase motor if I end up with a 3ph blower I just need to know if it’s 10 HP for sure or if single is the 7.5.
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Re: Generator for sirens (Thunderbolt)

Fri Oct 05, 2018 3:43 pm

you could plug it in, but aside from the chopper, which might run slower than usual, nothing else would work right i dont think
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