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View Full Version : Transformers, Phase Converters and VFD



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  1. VFD selection
  2. Specialty toggle switch source wanted...
  3. wiring diagram for bridgeport 1hp motor
  4. Walker Turner gets a VFD
  5. A real wind generator. Country situation. Need power!
  6. More RPC questions
  7. Start to run.... idler sometimes changes direction
  8. A little help with 440v on a DoAll T&CGrinder
  9. Why not 2 motors with 1 VFD
  10. Lights shimmer while phase converter unloaded
  11. Digital Phase Converter
  12. VFD rated more than motor ?
  13. Run two motors off a single static converter??
  14. VFD with DRO
  15. Simple RPC motor control start stop switch logic
  16. First Post need RPC help
  17. VFD review
  18. Questions on my RPC
  19. RPC question
  20. Will this work as a transformer
  21. y vs delta in the wiring
  22. New guy - lots of questions !
  23. Box for VFD in home shop
  24. How to bump up the two low legs on a rotary phase converter?
  25. 3 wire control for Fuji VFD question
  26. What Size RPC do I Need?
  27. Drum switch troubles
  28. 3 ph motor sizing
  29. 3 phase motor problems
  30. need a big electrolytic capacitor - got one?
  31. static?
  32. Need three phase 440 from single phase 220
  33. wiring question with three phase
  34. VFD and Tree Vert Mill
  35. Wiring the shop for 3-phase power from Phase Perfect
  36. newb a$$-n-9 question
  37. new to RPC's need help
  38. Quick VFD question
  39. Possible load of idler motors available
  40. maytag neptune
  41. How do you hook up 2 RPC's together?
  42. start with VFD/run on 1-phase
  43. Looking for a transformer near Seattle
  44. vfd overload problem
  45. Trip relay tripping
  46. motor voltage ?
  47. VFD what do I need?
  48. AC motor problem
  49. Nimhcells for rebuilding cordless power tools
  50. Three phase step up transformer 480V
  51. Fuji Inverter FVRO15G7S
  52. Motor input volt
  53. Need help with a Ronk Phase converter
  54. How hot can a motor run safely
  55. Steelman H-A-S Phase Converter 20Hp- whats the largest motor it can run?
  56. a LITTLE HELP ON TIME VS CURRENT GRAPH FOR BREAKERS
  57. Another RPC question
  58. 20 HP motor too big?
  59. VFD to Yaskawa 3/phase servo drive?
  60. Universal Voltage 3-phase motor?
  61. Phase Converter Bogging Down when starting 2 speed motor in high speed
  62. Phazpak in place of start caps
  63. RPC generated leg problem
  64. instant reversing with a VFD ?
  65. Powering 12VDC winch on shop electrics
  66. Voltage limits for Mitsubishi/Daewoo CNC control
  67. 460 volt to 230 volt
  68. Choosing VFD
  69. wild leg not so wild
  70. VFd ~ 2 pole or 4 pole on a 2 speed motor?
  71. How much are RPC's worth?
  72. using run caps for start caps
  73. RPC sub panel?
  74. Any Convention in Wire Color?
  75. Clearing Confusion Over 220/440 & 220/380 Delta Wye Motors
  76. Probably a redundant question or 2...
  77. Cheap Resistor for Braking?
  78. Enco 1525 mill 3 ph with American Rotary phase converter
  79. Teco JNEV Remote Keypad for VFD
  80. Troubleshooting a TB Woods VFD
  81. Balanced?
  82. Baldor Motor
  83. Selecting Transformer For RPC
  84. Cost of running RPC setup?
  85. 2hp RPC + 5hp 3phase idler =7hp RPC?
  86. vfd help
  87. Power Problems
  88. Do these amp readings sound right?
  89. Single Live RPC Design
  90. Hitachi SJ200-007NFU2 on SB Heavy 10
  91. How fast is too fast with a VFD?
  92. Slight OT, possible motor problem
  93. VFD Remote Control Setups
  94. Hitachi VFD With Blank Display
  95. RPC Problem
  96. Buying a used motor
  97. Voltage from Rotary Phase Converter
  98. TECO vfd question...
  99. Residential panel and breakers
  100. 1ph 240- 3ph 575
  101. correct 3 phase wiring
  102. 30 hp motor problem
  103. 4 speed motor help- wire ID?
  104. Wire gauges / amperage for rotary converters
  105. OT: step down transformer sizing
  106. Motor Whistles When Connected to VFD
  107. Line to Line voltage on a new RPC ? 6% ?
  108. Wiring diag. for a Doall Blade Welder?
  109. Control Transformer Needed Badly!!!!
  110. Bypass Drum Switch to Use VFD?
  111. Quieting a VFD driven motor?
  112. Spindle speed - how to accurately display
  113. Way Ot
  114. Motor Problem
  115. Need help wiring inherited Temco RPC
  116. rerversing a 1 ph motor
  117. Inverter Drive For Small Lathe
  118. Testing 3 phase Motor and Wiring
  119. 7.5 hp rpc
  120. Puzzling VFD/motor interaction
  121. Boston Gear Ratiotrol
  122. Need new lathe motor (?)
  123. Capacitance for solar system
  124. KO Lee cnc surface grinder eletrical diagram needed
  125. buck transformer
  126. 440v to 240v conversion ++
  127. VFD And AC Synchronous Motors: A question
  128. VFD and motor max hZ question/opinion
  129. How about rotary phase converters?
  130. Opinion on Static Phase Converters
  131. Junk yard 3 phase motor ??
  132. Running motor with 208 V on 240 V feed
  133. Starters and relays
  134. VMC battery charging
  135. Derating VFD
  136. two motors running one machine
  137. VFD on a rotary converter ?
  138. Best Place to buy a VFD
  139. ? Use undersized VFD to start rotary converter
  140. Maybe an Old Post..Need CNC phase converter
  141. Gathering Parts - Quick Question!
  142. 240-480 volts 3ph transformer with phase converter?
  143. 25hp rpc amp needs
  144. VFD Settings help needed
  145. Need Help wiring old lathe
  146. Removing a conduit box
  147. How do I find generated leg and control circuit?
  148. can I use this motor for an "add on" for my rpc
  149. Oversizing RPC
  150. Myford ML 10 + VFD ?
  151. Pony start + idler + transformer = ???
  152. Proper RPC Grounding
  153. Utility company transformer sizing
  154. Graziano SAG 12 Step up Transformer?
  155. I need a VFD Guru's advice
  156. Additive, Subtractive Xfrmr and angular displacement
  157. Question about placement of RPC
  158. Testing/Identifying Six-wire Two-speed Single-voltage Motors
  159. Most basic rpc for dummies (like me)
  160. VFD's and CNC's: A couple questions
  161. dual idler rpc question
  162. Better than half way there
  163. Wiring Weiler LZ 280 help
  164. RPC Help needed!
  165. 230/1 to 480/3 to power AB 1395 DC Drive
  166. braking circuit for a 220 motor
  167. New 3 phase service-What voltage?
  168. Need 3 phase power
  169. HP Limitations
  170. What is the function of this MG set?
  171. Mitsubishi vfd
  172. Manual needed for Volkmann AD-2 vfd
  173. 3 phase 2 Speed motor wiring help?
  174. Can I use a vfd as a phase converter for a cnc lathe
  175. Minimum hp on RPC
  176. Dumb questions on phase converters
  177. Rotary vs Static - Need Help with Project
  178. Newbie in need of help! Drum switch redo!
  179. remote start/stop wire size
  180. Wiring up 4 or 5 machines using a RPC?
  181. dead baldor inverter, need help please.
  182. VFD Information
  183. Leary about a static
  184. WNY Supply - Fed Up and Need Help
  185. RPC and Magnetic Brake Problem
  186. What VFD for 2.2kw Spindle 3ph
  187. Who makes dust proof VFDs?
  188. 240 3ph to 460 3ph?
  189. Need advice on Leeson VFD for Clausing 6913
  190. 3 welder on rotory converter???
  191. Rheostat question for 2hp DC motor
  192. Phase Perfect Questions
  193. OT: 3 phase motor???'s
  194. Need Help with VFD and Latching Start
  195. Can I get savings by changing motor?
  196. Best Deals on 460V VFD's and 2 Spd. Mtr/VFD?
  197. Newbe needs help.
  198. Toshiba VF-S9 VFD voltage change?
  199. new to me drive supplier
  200. VFD - torque loss at low rpms and is this possible?
  201. Shop made line reactor
  202. Build your own VFD
  203. Rewiring 3 Phase Motor
  204. Wiring 3ph VFD to 1ph supply?
  205. Any experience with Cutler Hammer AF93 VFD
  206. Wtb 25-30hp Rpc
  207. Need Help with F4 KEB
  208. Power a VFD from shared circuit?
  209. VFD. Buy it now or buy it later?
  210. 120/240 motor generators slightly off topic
  211. Cathode Protection half sell
  212. MANUAL NEEDED: Allen Bradley IP20 161S
  213. Will this European Motor Work in the U.S.?
  214. 3 phase plus neutral
  215. TECO AC drive questions or comments needed
  216. VFD and inverter drive motor?
  217. Dead Circuit in shop
  218. AB motor control
  219. Ratcheting Crimping Tool
  220. single vfd running two motors?
  221. Single phase motors May run off VFDs!
  222. Mfg Comments on Multi-motor VFD applications
  223. Integrating VFD with X Power Feed
  224. Tachometer Display for Mill
  225. Useful Motor and VFD tutorial
  226. 20 kw generator
  227. DrivesWarehouse.com
  228. VFD and Whitcomb Blaisdell
  229. Buying used run/start Caps
  230. Yaskawa servopack rotation change
  231. VFD Help... GE af300 mini
  232. Wiring Static Phase Converter to Drum Switch
  233. VFD on Surface Grinder (two motors on 1 VFD)?
  234. VFD's and braking
  235. 10hp RPC to start 10hp motor.
  236. My First 5hp Phase Converter
  237. Electrical Dumby In Need Of Help
  238. Phase Balance Questions?
  239. Surface grinder keeps tripping reset button
  240. VFD & Motor Starter
  241. -aluminum cooling fan for VFD applications
  242. encloser box
  243. what is special about a Phase a Matic idler?
  244. 200 V motors
  245. Need a copy of VFD's for dummies
  246. 3 wire to 4 wire conversions ?
  247. Lathe only pulling current on 2 legs?
  248. step down xfmr as step up- confusing results
  249. Options for Increasing HP of Rotary Phase Converter
  250. Options for Increasing HP of Rotary Phase Converter