drive%20mosfet

11 r5 r6 r7 r8 10k w 5 fig 11 tran sfo rmer coupled

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: IR CUIT/OVE RLOAD PROT ECT IONS. NOTES: 1. ALL F = FAU LT SIGNALS ARE TIED TOGETHER (BEING OPEN COLL ECTOR) AND FED INTO TM S3 2 0F2 40 7 A DSP CH IP. 2 . AL L R = RESET SIGNALS ARE T IED TOGETHER AND FED TO HC PL -3 16 J. 3 . OVERTEM P AND OVERL OAD/SHORT CIRC UIT FAULT SIGNALS AR E GENER ATED AS PER FIG(1 6) OVERTEMP IS AL SO FED IN TMS32 0 F24 07 A DSP C HIP . MCB 3 ø M AI NS D11 21 T5 RD 13 T6 RD 19 20 4 Dd D6 Dd M 3 P ha se A.C. MOT OR D5 Bill of Materials for Fig. (12) and Fig. (13) R1, R3, R5, R10, R11: 10K, 1/4W, 1% MFR R2: 560 Ohms, 1/4W, 1% MFR R4: 2.2 Meg, 1/4W, 5% R6: 100 Ohms,1/4 W,1% MFR R7: 20K, 1/4W, 1% MFR R8, R9: 61.9K, 1/4W, 1% MFR R12, R13: 1.24K, 1/4W, 1% MFR Rg: T.B.D. based on ton and toff & size of IGBT RD:100 Ohms,1/4 w, 5% P1: 10K, multi turn trimpot, Bourns 3006P or Spectrol C3, C4: 33 pf, silver dipped mica Dd: General Semiconductor make, Type: RGP02-20E, 0.5 A, 2000 V, trr: 300 ns Z1: Zener LM336, 2.5 Volt U3, U5 : LM339 Comparator U4 : LM-101 Op Amp SHUNT : 75 mV @ full load current LF: Gapped D C Choke for filtering rectified power CF: Electrolytic Filter Capacitor with very low ESR & ESL and screw type terminals to handle high ripple current. Voltage rating is determined by DC Voltage plus AC ripple Voltage CBI Module: IXYS Corporation Type Nos: MUBW 50-12A8 or any MUBW module from CBI 1, CBI 2 or CBI 3 series, depending on Motor H.P. rating. U1: Texas Instrument’s TMS320F2407A, FLASH programmable Digital Signal Processor with embedded software for AC Drive, using brake feature. IXDD414 Driver chip: 7 are required to implement the AC Drive, using Brake feature. HCPL316J (Opto-coupler): 7 are required to implement the AC Drive With Brake feature. Isolated DC-t o-DC Converter: 7 are required with specified isolation. IXAN0009 IXAN0009 V V t t + L + I/P H I/P CF RH CF RH 4 3 2 1 4 3 2 1 I X D D 4 1 4 I X D D 4 1 4 5 6 7 8 5 6 7 8 R1 C1 D1 Vcc D1 R1 C1 T1 D2 Z1 C2 D2 Z1 C2 Rp Rp Q4 Q1 Q3 H.V. D. C. COMM ON LOAD T3 Q2 H.V.D. C. Rp Rp FIG(14) A Transformer coupled Gate Drive c ir cu it employ ing D.C. restore tech nique and s howing how to generate -ve bias during turn -off. I X D D OR 4 0 8 I X D D OR 4...
View Full Document

This note was uploaded on 01/15/2014 for the course ECE 624 taught by Professor Staff during the Winter '08 term at Ohio State.

Ask a homework question - tutors are online