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View Full Version : Transformers, Phase Converters and VFD



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  1. OT:Onan electrical attachment
  2. amp clamp
  3. VFD changeover query...
  4. 3KVA Transformer Protection
  5. do you leave you vfd's on
  6. another static converter balance question
  7. auto start for rpc
  8. RPC Plans anyone
  9. VFD Choices
  10. Compressor Duty VFD for 3ph
  11. 15hp rotary converter problems
  12. Basics of 3 phase converters
  13. VFD vs Rotary converter current draw
  14. How Can I Fix Excessive Current Imblance in Static Converter
  15. Vfd
  16. replacement motor terminal box?
  17. Workshop on a VFD...
  18. motor size
  19. unique 3phase
  20. How to wire a two speed motor
  21. VFD voltage?
  22. 1-Phase input AC Drive for 2 HP motor
  23. Three-step resistive starter
  24. Rpc rpm
  25. RPC idler won't come up to speed
  26. basic remote controls for teco jnev 202 H1
  27. How do you determine HP with limited info?
  28. 3 phase drum switch wiring
  29. Electric Motor Question
  30. Ground Bars for RPC Terminal Connections?
  31. Converting two phase to three phase. HELP
  32. new? lower?? prices and sources for braking resistors?
  33. Will this motor work for a 3 phase convertor?
  34. VFD on cold saw.. max frequency ?
  35. Generator Speed
  36. Mitsubishi spindle drive error codes?
  37. Need help! Hitachi SJ200
  38. help needed with mill/vfd
  39. Pushing the limits of an RPC. How far would you go?
  40. 30 amp lighting contactor question
  41. Possibly a motor issue, not sure yet
  42. ebay
  43. Insulation resistance of transformer
  44. Ring circut for 3ph 240v outlets in 40x60 shop?
  45. can I run a 1hp motor with a 3hp vfd?
  46. How to use a Sencore CA55 capacitor analyser (
  47. Washburn Transformer
  48. Recommend VFD for hobby BP mill
  49. CC/CV welder question...
  50. help identify this conrol box
  51. Does anyone here use a PhaseAble Enabler?
  52. Wiring question for Ronk RPC
  53. Transformer wiring help
  54. Electrical questions on Bridgeport
  55. ot kinda:capaciters to save on bill
  56. Aussie RPC project.
  57. Need source for 3Cond.+Grnd. No. 1 copper wire in San Jose area
  58. Origins of rotary converters?
  59. Does it matter if rotor is flipped 180 degrees in stator(motor housing)??
  60. Function of the DPDT Relay (Grainger 5X847) in Carlson Circuit?
  61. Power cord recommendations
  62. Wiring a 12 lead 10hp Yaskawa motor to VFD - need help
  63. Need recommendation on VFD or RPC for 1/2hp instrument lathe
  64. 208/220 wired machine on 240, ok?
  65. cornverter working but what about control voltage ?
  66. 3 phase converter Question......Solid State
  67. What size enclosure should I buy for my RPC?
  68. Motor confusion
  69. OT: looking to hire inverter controlled borehole pump in Ireland
  70. surface grinder - changover from AB 509 to AB 709
  71. Blount Lathe Restoration - part 3 - motor replacement
  72. Loooking for wiring diagram for Reversing Drum Switch and 110 Motor
  73. Questions regarding running a 3 Ph rotary phase converter with a sutably sized vfd
  74. Plain and simple... the setup needed for clausing kondia fv1 with dynapath delta 20
  75. Phase Perfect integrated into shop wiring
  76. transformer size?
  77. My ARCO Roto-phase died...
  78. run capacitors used as start capacitors??
  79. Turret Drill on a VFD
  80. molded case breaker
  81. AGIE AC220 240 volts Phase Converter
  82. Making sure I have right set up.. correct motor, VFD, application and limitations..
  83. The most common 3-phase outlet/plug
  84. Air compressor capacitor died?
  85. soft start recommendations
  86. What size single phase breaker to use with RPC?
  87. Question for those that have pre-made RPC Panels like American Rotary,etc
  88. Books on trouble shooting electric motors
  89. Easy question to answer for you guys, Im sure.
  90. Internally reconnecting single voltage motor
  91. Start and Run Capacitors voltage?
  92. Crazy High Pitched Tone from CNC Mill
  93. Selecting the correct VFD for my new mill
  94. Wrong motor speed
  95. General electrical question...220v/440v
  96. I only have 60 amps in my garage will this be enough?
  97. Rpm's for an RPC
  98. 10hp RPC Build
  99. Pushing it too far or ok to try?
  100. RPC 240 in to 415 out ?
  101. Wiring Problem,using solid wire?
  102. Can I use a 3 phase breaker panel instead of a fused disconnect at each machine?
  103. Rotery Phase convertor
  104. Can one use WD40 to clean idler motor
  105. VFD & belt setup
  106. Commonly used fuse types for RPCs
  107. Large 3PH Power Source
  108. Overload protection on a Rotary Phase Converter?
  109. 1140 vs 1725 vs 3450 RPM motor for air compressor
  110. wiring for my surface grinder motor
  111. Inexpensive pressure sensors
  112. need diagram for rpc 8 pin socket relay
  113. VFD on Logan DC chucker
  114. Which brand of static phase converter
  115. deleted
  116. Another what size motor question?
  117. Give generator a boost.
  118. found an idler motor
  119. RPC first step
  120. Control panels
  121. Powerflex 4 noob question
  122. TOSVERT-130 Inverter
  123. Baldor Series 15H Inverter Control acting dead?
  124. large pony start RPC
  125. Did I mess up buying this?
  126. Changing 3 phase servo drive to single phase?
  127. Running 480 from RFC
  128. motor voltage question
  129. Three Phase Breaker as Single Phase Protection?
  130. Need help hooking up Polyphase motor
  131. Trying to run 480 volt milling machine
  132. Just got a call about power factor device?
  133. 100amp Main breaker warm to the touch
  134. Effects of undersize heaters?
  135. Specs for a transformer?
  136. Pulling 120V off a rotary?
  137. Running a AC contactor on DC?
  138. RPC motor size info sought
  139. 480 3 phase to 220 3 phase.
  140. rpc wiring
  141. rpc output
  142. Question on VFD installation
  143. What gauge wire should I run to/from RPC?
  144. VFD lifespan?
  145. Can I run a CNC Mill on an RPC?
  146. Power up on a long dormant servo drive advice
  147. VFD switch box
  148. Enclosure
  149. Idle 15kV transformer uses how much power?
  150. Newall Constant Surface Speed DRO
  151. Is this the right heater?
  152. VFD selection
  153. Specialty toggle switch source wanted...
  154. wiring diagram for bridgeport 1hp motor
  155. Walker Turner gets a VFD
  156. A real wind generator. Country situation. Need power!
  157. More RPC questions
  158. Start to run.... idler sometimes changes direction
  159. A little help with 440v on a DoAll T&CGrinder
  160. Why not 2 motors with 1 VFD
  161. Lights shimmer while phase converter unloaded
  162. Digital Phase Converter
  163. VFD rated more than motor ?
  164. Run two motors off a single static converter??
  165. VFD with DRO
  166. Simple RPC motor control start stop switch logic
  167. First Post need RPC help
  168. VFD review
  169. Questions on my RPC
  170. RPC question
  171. Will this work as a transformer
  172. y vs delta in the wiring
  173. New guy - lots of questions !
  174. Box for VFD in home shop
  175. How to bump up the two low legs on a rotary phase converter?
  176. 3 wire control for Fuji VFD question
  177. What Size RPC do I Need?
  178. Drum switch troubles
  179. 3 ph motor sizing
  180. 3 phase motor problems
  181. need a big electrolytic capacitor - got one?
  182. static?
  183. Need three phase 440 from single phase 220
  184. wiring question with three phase
  185. VFD and Tree Vert Mill
  186. Wiring the shop for 3-phase power from Phase Perfect
  187. newb a$$-n-9 question
  188. new to RPC's need help
  189. Quick VFD question
  190. Possible load of idler motors available
  191. maytag neptune
  192. How do you hook up 2 RPC's together?
  193. start with VFD/run on 1-phase
  194. Looking for a transformer near Seattle
  195. vfd overload problem
  196. Trip relay tripping
  197. motor voltage ?
  198. VFD what do I need?
  199. AC motor problem
  200. Nimhcells for rebuilding cordless power tools
  201. Three phase step up transformer 480V
  202. Fuji Inverter FVRO15G7S
  203. Motor input volt
  204. Need help with a Ronk Phase converter
  205. How hot can a motor run safely
  206. Steelman H-A-S Phase Converter 20Hp- whats the largest motor it can run?
  207. a LITTLE HELP ON TIME VS CURRENT GRAPH FOR BREAKERS
  208. Another RPC question
  209. 20 HP motor too big?
  210. VFD to Yaskawa 3/phase servo drive?
  211. Universal Voltage 3-phase motor?
  212. Phase Converter Bogging Down when starting 2 speed motor in high speed
  213. Phazpak in place of start caps
  214. RPC generated leg problem
  215. instant reversing with a VFD ?
  216. Powering 12VDC winch on shop electrics
  217. Voltage limits for Mitsubishi/Daewoo CNC control
  218. 460 volt to 230 volt
  219. Choosing VFD
  220. wild leg not so wild
  221. VFd ~ 2 pole or 4 pole on a 2 speed motor?
  222. How much are RPC's worth?
  223. using run caps for start caps
  224. RPC sub panel?
  225. Any Convention in Wire Color?
  226. Clearing Confusion Over 220/440 & 220/380 Delta Wye Motors
  227. Probably a redundant question or 2...
  228. Cheap Resistor for Braking?
  229. Enco 1525 mill 3 ph with American Rotary phase converter
  230. Teco JNEV Remote Keypad for VFD
  231. Troubleshooting a TB Woods VFD
  232. Balanced?
  233. Baldor Motor
  234. Selecting Transformer For RPC
  235. Cost of running RPC setup?
  236. 2hp RPC + 5hp 3phase idler =7hp RPC?
  237. vfd help
  238. Power Problems
  239. Do these amp readings sound right?
  240. Single Live RPC Design
  241. Hitachi SJ200-007NFU2 on SB Heavy 10
  242. How fast is too fast with a VFD?
  243. Slight OT, possible motor problem
  244. VFD Remote Control Setups
  245. Hitachi VFD With Blank Display
  246. RPC Problem
  247. Buying a used motor
  248. Voltage from Rotary Phase Converter
  249. TECO vfd question...
  250. Residential panel and breakers