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Transformers, Phase Converters and VFD
Machine voltage issues, three phase via single phase power, and variable frequency drives discussion
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Sticky
Rotary Phase Converter Designs and Plans
Milacron
Sep 21, 2006
8
9
10
Replies
198
Views
454K
Nov 20, 2021
millman52
M
Locked
Sticky
Motor drum switch wiring references Please look before asking
JST
Apr 13, 2020
Replies
1
Views
5K
Apr 13, 2020
JST
Locked
Sticky
Huanyang VFDs.... Banned from discussion
JST
Aug 2, 2017
Replies
0
Views
21K
Aug 2, 2017
JST
Locked
Sticky
Please put all general questions in the regular posting area NOT in the plans thread
JST
Apr 3, 2017
Replies
0
Views
12K
Apr 3, 2017
JST
Locked
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Please keep threads to one subject as much as possible
JST
Jan 10, 2016
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0
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16K
Jan 10, 2016
JST
Locked
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A reminder.... please make your thread title meaningful
JST
Feb 23, 2013
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0
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25K
Feb 23, 2013
JST
T
Need advice for Bridgeport M head VFD
techymechy
Sunday at 3:28 PM
Replies
1
Views
123
Yesterday at 11:01 PM
DaveKamp
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A
Variable Speed Drive
anthrhodes
Sep 28, 2008
Replies
2
Views
3K
Yesterday at 12:25 PM
rons
R
G
Hard start 3 phase motor
Gpzmax
May 2, 2022
2
Replies
37
Views
2K
Yesterday at 2:37 AM
SomeoneSomewhere
S
Incorrect control voltage to VFD, 5 hp CNC mill
M. Moore
May 10, 2022
Replies
3
Views
360
Saturday at 2:07 AM
M. Moore
N
How large RPC for 10 HP mill
Nibleswick
Wednesday at 7:33 PM
Replies
9
Views
360
Friday at 7:32 PM
Turbowerks
B
Using a double wye wound motor with star points connected together
Brian Campbell
May 6, 2022
Replies
8
Views
876
Friday at 8:11 AM
JST
F
eneloop battery question
Froneck
May 4, 2022
Replies
12
Views
900
Friday at 12:28 AM
Froneck
F
K
Correct place for single phase conversion of old lathe?
kingofthehill
May 4, 2022
Replies
4
Views
547
Thursday at 9:02 PM
JST
R
Step pulley drill press VFD conversion: Continuous boost function
rbmgf7
May 5, 2022
Replies
3
Views
431
Thursday at 7:17 PM
Strostkovy
S
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Horsepower..???
Bellaru433
Apr 27, 2022
2
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20
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1K
Thursday at 1:41 PM
Bellaru433
B
calculating KVA to Amps
SIP6A
Wednesday at 10:44 PM
Replies
6
Views
520
Thursday at 12:47 PM
drcoelho
D
NOTICE - Practical Machinist down Mon. May 16 for 24 hours for forum software upgrade
Milacron
Thursday at 9:30 AM
Replies
0
Views
92
Thursday at 9:30 AM
Milacron
S
OT: Personal opinion on the use of an Midtronics MDX 650 Battery system tester
steve-l
May 8, 2022
Replies
3
Views
521
Wednesday at 11:34 PM
eKretz
D
Motor quandary
Dunsmuir Red
Mar 13, 2022
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3
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48
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3K
May 10, 2022
Earl_Leonard
E
H
Victor 1640 Power set up - Help please.
Hotrod1
May 5, 2015
Replies
8
Views
2K
May 10, 2022
rons
R
F
VFD output amperage question
Froneck
May 7, 2022
Replies
11
Views
668
May 10, 2022
Froneck
F
VFD on CNC problem?
M. Moore
May 5, 2022
Replies
8
Views
715
May 8, 2022
M. Moore
A
VFD for 2 phase motor
AlleyCat
Dec 13, 2006
Replies
7
Views
2K
May 6, 2022
Zorbit
Z
OK, how do I get this regenerative blower motor off?
tomjelly
May 4, 2022
Replies
16
Views
1K
May 6, 2022
tomjelly
K
Settle a bet - transformer
Karl_T
May 4, 2022
Replies
10
Views
819
May 5, 2022
Froneck
F
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