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View Full Version : Transformers, Phase Converters and VFD



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  1. Index Model 40 mill, with 2 speed motor
  2. Yaskawa 606PC3 VFD...single phase input?
  3. New to me issue
  4. Transformer box/plug/outlet arrangement
  5. Variable speed for belt sander?
  6. Did I get a bad VFD?
  7. need for a mag starter
  8. VDF certified motors
  9. Need 220v to 110v transformer and help
  10. Pony motor started, how to wire compressor
  11. Motor starter and rotary switch
  12. Probably dumb question
  13. Transformer questions.
  14. Inrush Current on lighting transformer
  15. More caps. needed?
  16. Yet more VDF questions
  17. I started my 10 hp idler
  18. Blown start capacitor on RPC
  19. how much h.p. for a 300 amp welder?
  20. Two motor RPC designs?
  21. 3hp VFD ok for a 1 1/2hp 3 phase motor?
  22. Need help w/ Clausing Colchester
  23. 220 on each leg 3 phase?
  24. VFD with 2 speed motor...any complexities ?
  25. Digital converter or VFD
  26. Help me choose a 440 volt VFD
  27. Need Help with my RPC
  28. How to hook up a VFD.
  29. SO Power Cords
  30. 240-414V without a transformer
  31. Proper electric motor lubrication?
  32. Size of starting capacitor for 1/2hp, 120vac motor?
  33. Motor starter problems
  34. teco ev series vfd external potentiometer settings?
  35. Wild Leg Question
  36. Questions for Rotocon (Ronk) phase converter users
  37. Are 1 phase to 3 phase motor starters VFDs?
  38. Running 1.5HP motor on 1HP VFD?
  39. 208V motor on 240 not good- but why?
  40. 230/460 motor wiring question
  41. Current carrying capacity of buck transformer setup.
  42. Help deciding on VFD.
  43. Will RPC run on single live and neutral supply?
  44. How to protect small VFD from chips/coolant
  45. GE Polyphase wattmeter P-3 - Useful?
  46. Got the RPC hooked up, but ......
  47. RPC and 3 Phase questions
  48. Problems starting lathe off the RPC
  49. Altivar 31 hooked up for the first time
  50. VFD Recommendation
  51. Run compressor off RPC or single phase?
  52. Need help building my 10hp Rpc
  53. RPM nomenclature
  54. best prices on capacitors
  55. Need more power...
  56. Which one of these motors will be the best for an idler??
  57. RPC output
  58. 17xx idler vs 34xx idler ??
  59. 3 phase generator
  60. Need assistance/advice in bucking down voltage (for the layman).
  61. Woohoo- got me a 20hp 3 phase motor, now what?
  62. I need an honest answer on a VFD or RPC
  63. hmm, can't post the attachment.
  64. What size RPC?
  65. DC Motor controller - 240 volts?
  66. Single phase speed control
  67. Vfd makeing motor vibrate help
  68. Machine Tool Control Transformers 440/220
  69. Lordy- just learned I need a 15hp rpc
  70. 3ph welder on my rotary converter
  71. Rotary phase conv. Question
  72. Help with schematic
  73. Need some help 3-phase to 1-phase motor change
  74. Electrical Issue - Motor putting noise on ground?
  75. Can I get true single phase from 3 phase?
  76. What do I have here? -hardinge HCNC/fagor 8025
  77. two 3 phase questions
  78. Three phase heating elements
  79. How come this works
  80. smoked idler motor
  81. Need start/run switch for my Jet lathe
  82. 10ee start-up problem
  83. Motor stall and vfd"s
  84. Newb VFD hook-up questions
  85. Chinese 3hp VFD to 3hp motor
  86. yet another neophyte RPC question
  87. What to use for a PM 1200HD 2hp drill press?
  88. Cooling Fan 10hp Motor
  89. 1 hp static converter for a 1/2 hp three phase motor?
  90. Do VFD's destroy motor bearings???
  91. VFD drive help
  92. Engine Crank Stop
  93. question with my rpc
  94. Converting SB13 from 3ph to 1ph 220v? Easy?
  95. help wiring Birmingham to FM50
  96. NEED HELP: What is missing from this setup?
  97. Noise Reduction: 3450 RPM Idler Cooling Fan
  98. OT:Onan electrical attachment
  99. amp clamp
  100. VFD changeover query...
  101. 3KVA Transformer Protection
  102. do you leave you vfd's on
  103. another static converter balance question
  104. auto start for rpc
  105. RPC Plans anyone
  106. VFD Choices
  107. Compressor Duty VFD for 3ph
  108. 15hp rotary converter problems
  109. Basics of 3 phase converters
  110. VFD vs Rotary converter current draw
  111. How Can I Fix Excessive Current Imblance in Static Converter
  112. Vfd
  113. replacement motor terminal box?
  114. Workshop on a VFD...
  115. motor size
  116. unique 3phase
  117. How to wire a two speed motor
  118. VFD voltage?
  119. 1-Phase input AC Drive for 2 HP motor
  120. Three-step resistive starter
  121. Rpc rpm
  122. RPC idler won't come up to speed
  123. basic remote controls for teco jnev 202 H1
  124. How do you determine HP with limited info?
  125. 3 phase drum switch wiring
  126. Electric Motor Question
  127. Ground Bars for RPC Terminal Connections?
  128. Converting two phase to three phase. HELP
  129. new? lower?? prices and sources for braking resistors?
  130. Will this motor work for a 3 phase convertor?
  131. VFD on cold saw.. max frequency ?
  132. Generator Speed
  133. Mitsubishi spindle drive error codes?
  134. Need help! Hitachi SJ200
  135. help needed with mill/vfd
  136. Pushing the limits of an RPC. How far would you go?
  137. 30 amp lighting contactor question
  138. Possibly a motor issue, not sure yet
  139. ebay
  140. Insulation resistance of transformer
  141. Ring circut for 3ph 240v outlets in 40x60 shop?
  142. can I run a 1hp motor with a 3hp vfd?
  143. How to use a Sencore CA55 capacitor analyser (
  144. Washburn Transformer
  145. Recommend VFD for hobby BP mill
  146. CC/CV welder question...
  147. help identify this conrol box
  148. Does anyone here use a PhaseAble Enabler?
  149. Wiring question for Ronk RPC
  150. Transformer wiring help
  151. Electrical questions on Bridgeport
  152. ot kinda:capaciters to save on bill
  153. Aussie RPC project.
  154. Need source for 3Cond.+Grnd. No. 1 copper wire in San Jose area
  155. Origins of rotary converters?
  156. Does it matter if rotor is flipped 180 degrees in stator(motor housing)??
  157. Function of the DPDT Relay (Grainger 5X847) in Carlson Circuit?
  158. Power cord recommendations
  159. Wiring a 12 lead 10hp Yaskawa motor to VFD - need help
  160. Need recommendation on VFD or RPC for 1/2hp instrument lathe
  161. 208/220 wired machine on 240, ok?
  162. cornverter working but what about control voltage ?
  163. 3 phase converter Question......Solid State
  164. What size enclosure should I buy for my RPC?
  165. Motor confusion
  166. OT: looking to hire inverter controlled borehole pump in Ireland
  167. surface grinder - changover from AB 509 to AB 709
  168. Blount Lathe Restoration - part 3 - motor replacement
  169. Loooking for wiring diagram for Reversing Drum Switch and 110 Motor
  170. Questions regarding running a 3 Ph rotary phase converter with a sutably sized vfd
  171. Plain and simple... the setup needed for clausing kondia fv1 with dynapath delta 20
  172. Phase Perfect integrated into shop wiring
  173. transformer size?
  174. My ARCO Roto-phase died...
  175. run capacitors used as start capacitors??
  176. Turret Drill on a VFD
  177. molded case breaker
  178. AGIE AC220 240 volts Phase Converter
  179. Making sure I have right set up.. correct motor, VFD, application and limitations..
  180. The most common 3-phase outlet/plug
  181. Air compressor capacitor died?
  182. soft start recommendations
  183. What size single phase breaker to use with RPC?
  184. Question for those that have pre-made RPC Panels like American Rotary,etc
  185. Books on trouble shooting electric motors
  186. Easy question to answer for you guys, Im sure.
  187. Internally reconnecting single voltage motor
  188. Start and Run Capacitors voltage?
  189. Crazy High Pitched Tone from CNC Mill
  190. Selecting the correct VFD for my new mill
  191. Wrong motor speed
  192. General electrical question...220v/440v
  193. I only have 60 amps in my garage will this be enough?
  194. Rpm's for an RPC
  195. 10hp RPC Build
  196. Pushing it too far or ok to try?
  197. RPC 240 in to 415 out ?
  198. Wiring Problem,using solid wire?
  199. Can I use a 3 phase breaker panel instead of a fused disconnect at each machine?
  200. Rotery Phase convertor
  201. Can one use WD40 to clean idler motor
  202. VFD & belt setup
  203. Commonly used fuse types for RPCs
  204. Large 3PH Power Source
  205. Overload protection on a Rotary Phase Converter?
  206. 1140 vs 1725 vs 3450 RPM motor for air compressor
  207. wiring for my surface grinder motor
  208. Inexpensive pressure sensors
  209. need diagram for rpc 8 pin socket relay
  210. VFD on Logan DC chucker
  211. Which brand of static phase converter
  212. deleted
  213. Another what size motor question?
  214. Give generator a boost.
  215. found an idler motor
  216. RPC first step
  217. Control panels
  218. Powerflex 4 noob question
  219. TOSVERT-130 Inverter
  220. Baldor Series 15H Inverter Control acting dead?
  221. large pony start RPC
  222. Did I mess up buying this?
  223. Changing 3 phase servo drive to single phase?
  224. Running 480 from RFC
  225. motor voltage question
  226. Three Phase Breaker as Single Phase Protection?
  227. Need help hooking up Polyphase motor
  228. Trying to run 480 volt milling machine
  229. Just got a call about power factor device?
  230. 100amp Main breaker warm to the touch
  231. Effects of undersize heaters?
  232. Specs for a transformer?
  233. Pulling 120V off a rotary?
  234. Running a AC contactor on DC?
  235. RPC motor size info sought
  236. 480 3 phase to 220 3 phase.
  237. rpc wiring
  238. rpc output
  239. Question on VFD installation
  240. What gauge wire should I run to/from RPC?
  241. VFD lifespan?
  242. Can I run a CNC Mill on an RPC?
  243. Power up on a long dormant servo drive advice
  244. VFD switch box
  245. Enclosure
  246. Idle 15kV transformer uses how much power?
  247. Newall Constant Surface Speed DRO
  248. Is this the right heater?
  249. VFD selection
  250. Specialty toggle switch source wanted...