The maximum cable length between converter transformer and VSD?
The maximum cable length between converter transformer and VSD?
(OP)
There are 4 set 4.16KV VSD (ABB ACS1000) in my subtation.
Since the convter transfomer is oil type, it had been installed on the ground outside substation. The cable length between converter transformer and VSD is about 90m.
But we had been informed by the ABB that the maximum length should be 30m.
It is impossible to change the cable routing now, I am anxiously waiting for the ABB's solution
My question is, if the cable length is greater than 30m, what kind of the seiours consequence will be?
I am looking forward to the suggestions and solutions of the VSD experts, thanks!
---------------------------------
Converter transformer
input : 4.16kv
output: 2x2300v
vector group: 3wdg:Dy11d0
VSD:
Rectifier: Diode Bridge
number of pules: 12
input: 2x2300v
output: 4000v
Since the convter transfomer is oil type, it had been installed on the ground outside substation. The cable length between converter transformer and VSD is about 90m.
But we had been informed by the ABB that the maximum length should be 30m.
It is impossible to change the cable routing now, I am anxiously waiting for the ABB's solution
My question is, if the cable length is greater than 30m, what kind of the seiours consequence will be?
I am looking forward to the suggestions and solutions of the VSD experts, thanks!
---------------------------------
Converter transformer
input : 4.16kv
output: 2x2300v
vector group: 3wdg:Dy11d0
VSD:
Rectifier: Diode Bridge
number of pules: 12
input: 2x2300v
output: 4000v





RE: The maximum cable length between converter transformer and VSD?
Cable length *can* be a problem between motor and VFD, or if there is an AFE with switching rectifier on the input. No reason to worry about the transformer-VFD cable length in this case. You can sleep well at nights.
Gunnar Englund
www.gke.org
--------------------------------------
Half full - Half empty? I don't mind. It's what in it that counts.
RE: The maximum cable length between converter transformer and VSD?
"You measure the size of the accomplishment by the obstacles you had to overcome to reach your goals" -- Booker T. Washington
RE: The maximum cable length between converter transformer and VSD?
Don't worry. Be happy. Sleep well at nights.
Gunnar Englund
www.gke.org
--------------------------------------
Half full - Half empty? I don't mind. It's what in it that counts.
RE: The maximum cable length between converter transformer and VSD?
Thanks, jraef ,Skogsgurra
ABB suggested to place a Common mode choke in the VSD panel, they will provided technical clarification in next week.
We still dont know the exact reason...
RE: The maximum cable length between converter transformer and VSD?
Bill
--------------------
"Why not the best?"
Jimmy Carter
RE: The maximum cable length between converter transformer and VSD?
I'm betting Salesman...
"You measure the size of the accomplishment by the obstacles you had to overcome to reach your goals" -- Booker T. Washington