3:40 PM
To: 'RE-wrenches'
Subject: Re: [RE-wrenches] Imbalanced Legs in 3-Phase systems
Jeff,
My memory also recalls something about a 6kW value.
I've talked to one of our local utilities about this as well and they base
the accepted imbalance by the size of the transformer ser
-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jeff
Clearwater, Village Power Design
Sent: Thursday, August 07, 2008 10:14 AM
To: RE-wrenches
Subject: [RE-wrenches] Imbalanced Legs in 3-Phase systems
Hi Wrenches,
How does one determine how much imbalance c
Hi Bill,
Can you explain why the 6kVA rule on split phase systems?
I mean why 6?
thanks,
jay
peltz power
On Aug 8, 2008, at 8:48 PM, Bill Brooks wrote:
Jeff and Ryan,
The 6kVA value comes from the California Rule 21 that I worked on.
It only
applies to split-phase 240V systems (6kVA on 1
nches'
Subject: Re: [RE-wrenches] Imbalanced Legs in 3-Phase systems
Jeff,
My memory also recalls something about a 6kW value.
I've talked to one of our local utilities about this as well and they base
the accepted imbalance by the size of the transformer serving the building.
I have n
ECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Jeff
Clearwater, Village Power Design
Sent: Thursday, August 07, 2008 10:14 AM
To: RE-wrenches
Subject: [RE-wrenches] Imbalanced Legs in 3-Phase systems
Hi Wrenches,
How does one determine how much imbalance can be tolerated on a 3 phase
system?
I'
feed the panel
to connect. Which is the concern of the electrical inspector.
Darryl
--- On Thu, 8/7/08, Jeff Clearwater, Village Power Design <[EMAIL PROTECTED]>
wrote:
> From: Jeff Clearwater, Village Power Design <[EMAIL PROTECTED]>
> Subject: [RE-wrenches] Imbalanced Legs
Hi Wrenches,
How does one determine how much imbalance can be tolerated on a 3 phase system?
I'd like to feed 2 SMA SB5000s at 277 VAC into a 480 VAC panel
instead of 1 13 KW Solectria at 480VAC as the PV system is only 9500
Watts STC. The main on the backfed service panel is 600 A. But I'm
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