Description :SUPPLY, TESTING & TUNING OF VVVF DRIVE FOR 37.9 KW / 50 HP MH DRIVE OF 10/3T\rSUPPLY, TESTING & TUNING OF VVVF DRIVE FOR 37.9 KW / 50 HP MH DRIVE OF 10/3T EOT CRANE.\r(WITH OUT ENCODER FEED BACK SYSTEM) THE AC DRIVE SHALL BE OF MINIMUM 40KW CAPACITY\rTO DRIVE 37.9 KW / 50 HP MH, S4 DUTY, 415 V, SQUIRRAL CAGE INDUCTION MOTOR CLASS ?F?\rINSULATION, BASE SPEED: MOTOR 983 RPM, CDF 60% WITH 300 STARTS PER HOUR (MINIMUM).\rDIGITAL INPUT TO THE DRIVE WILL BE FROM 4 NOTCHES OF EXISTING MASTER CONTROLLER IN\rEACH DIRECTION. THE DRIVE SHALL HAVE SUITABLE CURRENT FEED BACK CONTROL SYSTEM FOR\rSPEED CONTROL. THE DRIVE SUPPLY SHALL INCLUDE REQUIRED RESISTOR FOR DYNAMIC\rBREAKING RFI FILTER & CHOPPER. THE TECHNICAL LITRATURE OF THE DRIVE OFFERED SHALL BE\rINCLUDED IN THE OFFER. MAKE: DANFOSS, ALLEN BRADELY, SIEMENS, ABB ONLY.
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