. SENSITRON SEMICONDUCTOR SMCV6G Series Digital Vector Drive PRODUCT BRIEF PB 5127, Preliminary COMPLETE MOTOR CONTROL SOLUTION: POWER CONDITIONING & MOTOR CONTROL The Digital Vector Motor Drive is a DSP based motor controller designed for high reliability and industrial motor control applications. The flexibility of this design allows for use of a single device/part number for multiple motor applications with few hardware changes. This motor controller is composed of two internal assemblies in a small footprint module: the Motion Control Engine and a 3Phase Bridge. The Motion Control Engine is programmable via an isolated RS-232 input port, and the 3 Phase Bridge is rated design to 40A, 1000V. The sinusoidal vector drive with space vector modulation control design allows for maximum utilization of the DC bus voltage and provides smooth torque control. Typical DC bus voltage operating range is 100V to 800V. The sensorless algorithm allows start up to be tuned for almost any load. Operating speed range is typically 10 to 1 with maximum speed more than 8000 RPM (6-pole motor). Features Sinusoidal Sensorless Speed Control Vector Drive FOC) with Space Vector PWM 75A peak phase, 800V steady state operation Torque limiting IGBT’s rated to 1200V Top Speed of 8000+ RPM Re-configurable Firmware Isolated RS232 interface Digital Tach and Direction output via RS232 Smart gate drivers with de-sat protection Boot-strap powered high sided gate driver Integrated phase current sensors DC bus voltage sensor Protection DC Bus Overvoltage DC Bus Undervoltage DC Bus Critical Detection Phase Loss Detection Zero Speed Detection Operating Baseplate Temperature -40°C to 85°C Power Requirements Bus Voltage to 800 VDC +3.3V +/-5% +5.0V +/-5% +15V +/-10% Application Areas: This product is intended to be used in high reliability military and industrial motor control applications. The design can be used for pump and fan applications in the following markets: Military Ground Vehicles Industrial Equipment Heavy Duty Vehicles Air Handlers Lifts ©2009 Sensitron Semiconductor 221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798 www.sensitron.com [email protected] Page 1 of 3 SENSITRON SEMICONDUCTOR SMCV6G Series Digital Vector Drive PB 5114, Preliminary BLOCK DIAGRAM The vector drive is programmed via an Isolated RS232 Interface to set the motor and control parameters. The Motor Control Engine has an inner torque loop (Sinusoidal/Space Vector/FOC -Field Oriented Control) and an outer speed loop. The torque loop uses a digitally tunable P+I controller and integrated phase current sensors. The speed loop uses a digitally tunable P+I controller and speed feedback derived from the FOC. Sensorless startup is performed open loop using a Volts-per-Hertz algorithm. The Volts-per-Hertz startup parameters are digitally configurable. Space vector modulation allows for the motor line to line voltage to reach the full DC Bus Voltage without waveform clipping unlike other sinusoidal control methods. SOFTWARE The device is configured using Excel based software along with a special motor drive GUI. The GUI configures the motor parameters through the RS232 interface. The motor can be controlled directly from the GUI and parameters modified directly from the GUI. A built in datalogger feature allows monitoring of motor drive performance. The list below shows the motor input parameters and typical Application parameters: Motor Input Parameters RPM Current Poles Inertia Stator Resistance Inductance Lq and Ld Kt, Ke Application Information Maximum RPM Nominal dc bus voltage Current Limits – Start, Regen Running Speed – Max, Min, Coast, Stop Protection Levels – Speed, Phase Loss, DC Bus Speed Regulator Bandwith and Time Constant ©2009 Sensitron Semiconductor 221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798 www.sensitron.com [email protected] Page 2 of 3 SENSITRON SEMICONDUCTOR SMCV6G Series Digital Vector Drive PB 5114, Preliminary OUTLINE DRAWNG: NOTE: Evaluation boards, Software GUI and additional technical information are available. Please contact the factory. PART NUMBER ORDERING INFORMATION: Please reference part number SMCV6Gxxx-xxx-1 DISCLAIMER: 1- The information given herein, including the specifications and dimensions, is subject to change without prior notice to improve product characteristics. Before ordering, purchasers are advised to contact the Sensitron Semiconductor sales department for the latest version of the datasheet(s). 2- In cases where extremely high reliability is required (such as use in nuclear power control, aerospace and aviation, traffic equipment, medical equipment , and safety equipment) , safety should be ensured by using semiconductor devices that feature assured safety or by means of users’ fail-safe precautions or other arrangement . 3- In no event shall Sensitron Semiconductor be liable for any damages that may result from an accident or any other cause during operation of the user’s units according to the datasheet(s). Sensitron Semiconductor assumes no responsibility for any intellectual property claims or any other problems that may result from applications of information, products or circuits described in the datasheets. 4- In no event shall Sensitron Semiconductor be liable for any failure in a semiconductor device or any secondary damage resulting from use at a value exceeding the absolute maximum rating. 5- No license is granted by the datasheet(s) under any patents or other rights of any third party or Sensitron Semiconductor. 6- The datasheet(s) may not be reproduced or duplicated, in any form, in whole or part, without the expressed written permission of Sensitron Semiconductor. 7- The products (technologies) described in the datasheet(s) are not to be provided to any party whose purpose in their application will hinder maintenance of international peace and safety nor are they to be applied to that purpose by their direct purchasers or any third party. When exporting these products (technologies), the necessary procedures are to be taken in accordance with related laws and regulations. ©2009 Sensitron Semiconductor 221 West Industry Court Deer Park, NY 11729-4681 Phone (631) 586 7600 Fax (631) 242 9798 www.sensitron.com [email protected] Page 3 of 3