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View Full Version : Transformers, Phase Converters and VFD



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