[TowerTalk] Power line filter question

wa3gin wa3gin at comcast.net
Wed May 21 07:08:28 EDT 2014


Look up Cutler-Hammer CHSP-ULTRA for the generator and use typical end-point 
protectors at the stations...

Good Luck,
dave
wa3gin

----- Original Message ----- 
From: "Jim Brown" <jim at audiosystemsgroup.com>
To: <towertalk at contesting.com>
Sent: Wednesday, May 21, 2014 1:46 AM
Subject: Re: [TowerTalk] Power line filter question


> On 5/20/2014 10:02 PM, Grant Saviers wrote:
>> So why are x uH's of green wire inductance ok in the three wire case and 
>> not for a single green wire (engineering pls,  not UL regs)?
>
> First, if all three conductors go through the choke, a fault on the 
> circuit will blow a breaker faster. Second, at RF, the capacitance between 
> conductors tends to put the conductors in parallel.
>
> 73, Jim K9YC
>
>
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