bonitron M3612EC Customer Reference Manual

Common dc bus high ripple capacitor with cooling

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Model M3612EC
Common DC Bus High Ripple Capacitor
with Cooling
Customer Reference Manual
Web: www.bonitron.com
Tel: 615-244-2825
Email: info@bonitron.com

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  • Page 1 Model M3612EC Common DC Bus High Ripple Capacitor with Cooling Customer Reference Manual ● ● Web: www.bonitron.com Tel: 615-244-2825 Email: info@bonitron.com...
  • Page 2 Bonitron has seen thousands of products engineered since 1962 and welcomes custom applications. With engineering, production, and testing all in the same facility, Bonitron is able to ensure its products are of the utmost quality and ready to be applied to your application.
  • Page 3 RIVE PTIONS In 1975, Bonitron began working with AC inverter drive specialists at synthetic fiber plants to develop speed control systems that could be interfaced with their plant process computers. Ever since, Bonitron has developed AC drive options that solve application issues associated with modern AC variable frequency drives and aid in reducing drive faults.
  • Page 4: Table Of Contents

    Table 3-1: Power Connection Specifications ..................14 Figure 3-2: Power Connections ......................15 3.5. Typical Configurations ....................... 17 Figure 3-3: M3612EC Capacitor Bank Field Wiring Diagram Option 1 ..........17 Figure 3-4: M3612EC Capacitor Bank Field Wiring Diagram Option 2 ..........17 4. O ..........................19...
  • Page 5 Table 6-3: Full Load Watt Loss ......................23 6.3. Dimensions and Outlines ......................23 Table 6-4: Chassis Dimensions for M3612EC Module................23 Figure 6-1: M3612EC K7 Chassis Dimensional Outline ............... 24 6.4. Block Diagrams .......................... 24 Figure 6-2: Functional Block Diagram ....................24 7.
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  • Page 7: Introduction

    1.2. URPOSE AND COPE This manual is a user’s guide for the Model M3612EC Capacitor Bank. It will provide you with the necessary information to successfully install and use the M3612EC module in your application. In the event of any conflict between this document and any publication and/or documentation related to the application, the latter shall have precedence.
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  • Page 9: Product Description

    User’s Manual RODUCT ESCRIPTION The M3612EC is a filter capacitor bank for a common DC bus drive systems. The drives can be either servo or variable frequency drives intended for use with common bus capacitors. 2.1. ELATED RODUCTS 2.1.1. OMMON IODES ...
  • Page 10: General Specifications

    The Base Model Number for these Capacitor Banks is M3612EC. OLTAGE ATING A 1-digit code represents the AC system voltage to the M3612EC module. The voltage rating must be selected for the system voltage that will be applied. Table 2-1: Voltage Rating...
  • Page 11: General Precautions And Safety Warnings

    User’s Manual 2.4. ENERAL RECAUTIONS AND AFETY ARNINGS  H I G H V O L T A G E S M A Y B E P R E S E N T  N E V E R A T T E M P T T O O P E R A T E O R S E R V I C E T H I S E Q U I P M E N T W I T H A C C E S S D O O R S O R C O V E R S O P E N E D DANGER! ...
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  • Page 13: Installation Instructions

    Once the installation site has been selected as outlined above, the unit should be mounted in place. The M3612EC must be properly oriented for proper heat flow through the units. The M3612EC must be mounted with the rear surface of the unit to the mounting surface. Unit should be mounted vertically as shown in Example A of Figure 3-1.
  • Page 14: Wiring And Customer Connections

    M3612EC 3.4. IRING AND USTOMER ONNECTIONS Be sure to review all AC Drive and system documentation for attached equipment as well as the information listed below before proceeding. Connection points and terminal numbers of the AC Drive will be found in the documentation provided with those units.
  • Page 15 User’s Manual Figure 3-2: Power Connections Dwg: 090051 Rev: 20120605...
  • Page 16 VFD, DC link fusing may not be necessary. Semiconductor fuses such as the A70Q or FWP are recommended for this purpose. Do not connect the output of the M3612EC to the braking terminals of the drive. This can also cause severe damage to the drive.
  • Page 17: Typical Configurations

    User’s Manual 3.5. YPICAL ONFIGURATIONS Figure 3-3: M3612EC Capacitor Bank Field Wiring Diagram Option 1 Dwg: 080476 Rev: 20120605...
  • Page 18 M3612EC Figure 3-4: M3612EC Capacitor Bank Field Wiring Diagram Option 2 Dwg: 090050 Rev: 20120605...
  • Page 19: Operation

    PERATION 4.1. UNCTIONAL ESCRIPTION The M3612EC is a capacitor bank with an integral bleeder to build a DC bus if bus filter capacitance is required. 4.2. TARTUP This section covers basic checks and procedures that may be used when performing a startup with a M3612EC.
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  • Page 21: Maintenance And Troubleshooting

    Failure to comply may result in personal injury, death, and/or equipment DANGER! damage! Feel free to call Bonitron at any time if the equipment appears to be having problems. 5.3.1. TTACHED DRIVE DOES NOT COME ON ...
  • Page 22: Technical Help - Before You Call Or Email

    M3612EC – B 5.4. ECHNICAL EFORE YOU CALL OR EMAIL If technical help is required, please have the following information when contacting us:  Serial number of unit  Name of original equipment supplier (if available)  Record the line voltage ...
  • Page 23: Engineering Data

    Table 6-3 lists the maximum Watt Loss generated by the listed units. When installing M3612EC units in an additional enclosure, consideration should be given to internal temperature rise. The Watt Loss rating in following table is based upon the maximum capability of each unit.
  • Page 24: Block Diagrams

    M3612EC Figure 6-1: M3612EC K7 Chassis Dimensional Outline 6.4. LOCK IAGRAMS Figure 6-2: Functional Block Diagram 3612EC DC LINK 3 PHASE M3713SC BANK THREE PHASE POWER SUPPLY DC INPUT DC INPUT DC INPUT MOTOR MOTOR MOTOR CONTINUOUS COMMON DC BUS POWER SUPPLY...
  • Page 25: Application Notes

    OURCE MPEDANCE The M3612EC is intended to be used with an input reactor for the reduction of peak input currents and bus voltage ripple and ripple current. The reactor adds inductive impedance to the circuit to reduce these factors, and adds to the total input impedance of the system.
  • Page 26 M3612EC  Check the voltage at the input of the reactor (transformer side). If the voltage stays above 90% of the nominal voltage, you can operate your system without the reactor. If the voltage drops below 90% of the nominal voltage, you may need to upsize your input transformer or get a transformer with lower impedance for proper operation.
  • Page 27: Notes

    User’s Manual NOTES...
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  • Page 32 D_M3612EC_CMAN_VALL_03b 01/16/2014 521 Fairground Court ● Nashville, TN 37211 ● USA Tel: (615) 244-2825 ● Fax: (615) 244-2833 ● Web: www.bonitron.com ● Email: info@bonitron.com...

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