WEG CFW-11W Addendum
  1. Manuals
  2. Brands
  3. WEG Manuals
  4. DC Drives
  5. CFW-11W
  6. Addendum
WEG CFW-11W Addendum

WEG CFW-11W Addendum

Frequency inverter modular drive
Hide thumbs
Table of Contents

Advertisement

Quick Links

Download this manual
Motors I Automation I Energy I Transmission & Distribution I Coatings
Modular Drive
CFW-11W
Addendum of the Frequency Inverter

Advertisement

Table of Contents
loading
Need help?

Need help?

Do you have a question about the CFW-11W and is the answer not in the manual?

Questions and answers

Related Manuals for WEG CFW-11W

Summary of Contents for WEG CFW-11W

  • Page 1 Motors I Automation I Energy I Transmission & Distribution I Coatings Modular Drive CFW-11W Addendum of the Frequency Inverter...
  • Page 2 Addendum of the Frequency Inverter Series: CFW-11W Language: English Document Number: 10002796209 / 01 Models: 700...3325 A/380...480 V 640...3040 A/500...690 V Publication Date: 05/2017...

  • Page 3: Table Of Contents

    Contents CONTENTS 1. GENERAL INFORMATION ................1-1 1.1. ABOUT THE MANUAL ......................1-1 1.2. ABOUT THE CFW-11w ......................1-1 1.3. HOW TO SPECIFY THE MODEL ....................1-5 2. INSTALLATION AND CONNECTION ..............2-1 2.1. ENVIRONMENTAL CONDITIONS ..................... 2-1 2.2. COMPONENT LIST ......................... 2-1 2.3.

  • Page 4: General Information

    1.2. ABOUT THE CFW-11W The inverters of CFW-11W series present a modular design, with configurations from one to five Power Units (UP11), one Unit Control (UC11) and wiring cables. The modular assembly increases the reliability of the inverter and simplifies its maintenance. A single control unit (UC11) can control up to 5 UP11s.
  • Page 5 General Information Figure 1.2: Block Diagram of the CFW-11W CFW11W | 1-2...
  • Page 6 General Information Figure 1.3: UC 11 Main parts Figure 1.4: UP 11 Main parts CFW11W | 1-3...
  • Page 7 General Information Figure 1.5: UP11 connections between the IPS1 interface board and CIM1 Figure 1.6: UP11 – connections between the CIM1 interface board and the PSB1 power supply board Figure 1.7: UP11 - connections between the CIM1 interface board, the gate driver boards, module and sensors for output voltage and current condition CFW11W | 1-4...

  • Page 8: How To Specify The Model

    EN- 954-1 category 3 (*) This field (voltage) represents the three-phase input voltage on the rectifier that feeds DC voltage to the CFW-11W. The rectifier is not part of the CFW11W. NOTE For the other fields of the code, refer to the CFW-11M user manual.
  • Page 9 General Information Table 1.2: Rated currents under normal duty cycle 380-480 V 500-690 V 0700 = 700 A 0640 = 640 A 1330 = 1330 A 1216 = 1216 A 1995 = 1995 A 1824 = 1824 A 2660 = 2660 A 2432 = 2432 A 3325 = 3325 A 040 A...

  • Page 10: Installation And Connection

    Installation and Connection INSTALLATION AND CONNECTION This chapter describes the procedures for the electrical and mechanical installation of the CFW-11W Modular Drive. The directions and suggestions must be observed so as to ensure the safety of people and equipment, and the proper operation of the inverter.

  • Page 11: Mechanical Installation

    Installation and Connection Table 2.2: Currents and settings at 500-690V Rated Current (A) Number of UP11-05 power units 1216 1824 1359 2432 1812 3040 2265 For other components, such as cable set and fiber optic cables, refer to item 3.2 – Component List of the CFW11M user manual.
  • Page 12 Installation and Connection The UP11 has wheels to help insert and remove the panel (Figure 2.3 and Figure 2.4). Figure 2.3: UP11 bottom view [mm(in)] Figure 2.4: UP11 bottom view highlighting the wheels CFW11W | 2-3...
  • Page 13 Installation and Connection The base where the UP11s are installed has rails for proper positioning (Figure 2.5). Figure 2.5: Rails on the mounting base In order to insert the UP11 in the panel, it is necessary to remove the lower bracket that comes installed on the power unit (Figure 2.6).
  • Page 14 Installation and Connection Figure 2.7: Fastening holes for the power unit Besides the lower bracket, there are holes for fastening the upper part of the power unit (Figure 2.8). Figure 2.8: Upper fixation bracket [mm(in)] For further information about the mechanical installation, refer to item 3.3 - Mechanical Installation of the CFW11 M user manual.

  • Page 15: Cooling System

    Installation and Connection 2.4. COOLING SYSTEM Figure 2.8 shows the main components and scheme of the cooling system. Figure 2.9: Coolant circulation scheme The valve located in the upper part of the UP11 drains possible accumulations of air pockets. This valve is connected to the discharge tube located in the lower part of the UP11.

  • Page 16: Condensation

    Installation and Connection 2.4.1. Condensation The condensation occurs when the incoming water temperature is excessively below the ambient temperature. To avoid condensation the water temperature varies according to the relative humidity and ambient temperature. The temperature at which the water vapor in the air turns into liquid as droplets is known as "dew point".

  • Page 17: Input Rectifier

    DANGER! Vérifiez que l'alimentation secteur est débranchée avant de commencer l'installation.. ATTENTION The CFW-11W can be connected to circuits with short-circuit capacity of up to 150000 symmetric Arms (maximum 480 V/690 V). ATTENTION The short-circuit protection of the inverter does not provide short-circuit protection for the power supply circuit.

  • Page 18: Fuses

    Installation and Connection 2.5.2. Fuses It is recommended the use of fuses suitable for operation with direct current at the UP11 DC supply. The maximum bus voltage at the 400 V line is 800 Vdc, at the other lines it is 1200 Vdc (IGBT overvoltage trip level). Fuses used in AC lines can be used;...
  • Page 19 Installation and Connection Figure 2.12: Output links of the UP11; output connections to the motor [mm(in)] Use two cables in parallel, with the recommended gauge indicated in the, for connecting the UP11 output reactor to the output bus bar (motor connection). Table 2.6: Output cables Minimum Cables Current (A)
  • Page 20 Installation and Connection Figure 2.13: Grounding points of the UP11 Use the cables with the gauge indicated in Table 2.6 to ground the UP11 power units. Table 2.7: Grounding cables Minimum Cross-Section of Current (A) Voltage (V) Duty the Grounding Cable (mm 2 ) 380-480 500-690 CFW11W | 2-11...

  • Page 21: Installations According To The European Directive Of Electromagnetic Compatibility

    2.6. INSTALLATIONS ACCORDING TO THE EUROPEAN DIRECTIVE OF ELECTROMAGNETIC COMPATIBILITY The CFW-11W inverters, when correctly installed, meet the requirements of the “EMC Directive 2004/108/EC”. 2.6.1. Conformal Installation For Conformal installation use: CFW-11W standard inverter for emission levels in accordance with IEC/EN 61800-3 "Adjustable Speed Electrical Power Drive Systems", C4 category.

  • Page 22: Standard Definitions

    Installation and Connection 2.6.2. Standard Definitions IEC/EN 61800-3: “Adjustable Speed Electrical Power Drives Systems” - Environment: First Environment: includes domestic premises. It also includes establishments directly connected without intermediate transformer to a low-voltage power supply network which supplies buildings used for domestic purposes.

  • Page 23: Emission And Immunity Levels

    Installation and Connection 2.6.3. Emission and Immunity Levels Table 2.8: Emission and Immunity Levels EMC Phenomenon Basic Standard Level Emission: Mains Terminal Disturbance Voltage - Without external filter: Frequency range: 150 kHz to 30 MHz Category C4. IEC/EN61800-3 Electromagnetic Radiation Disturbance - With external filter: Frequency range: 30 MHz to 1 GHz Category C2 or C3.
  • Page 24 Installation and Connection Figure 2.15: Connections of the external RFI filter Only use the listed filters in networks with solidly grounded neutral. Do not use them in IT networks, networks not grounded or grounded by high impedance. At the installation of the filters, take the usual precautions with EMC filters: do not cross the filter input and output cables, mount the filter on a metal plate ensuring as much contact area as possible between the filter and the plate, ground this metal plate via flexible braid.

  • Page 25: Troubleshooting And Maintenance

    3.1. FAULTS, ALARMS AND POSSIBLE CAUSES All the alarms and faults of the CFW-11M series are valid for the CFW-11W. Refer to the CFW-11M user manual for further details of alarms and faults. The specific faults and alarms of the CFW-11W, and the most likely causes for their occurrence are presented below.
  • Page 26 Troubleshooting and Maintenance Fault/Alarm Description Probable Causes A333: Alarm indicating high temperature measured on the High Temperature IGBT W B4 IGBT temperature sensor (NTC) of phase W book 4 F334: Fault because of overtemperature measured on the Overtemperature IGBT W B4 IGBT temperature sensor (NTC) of phase W book 4 A336: Alarm indicating high temperature measured on the...
  • Page 27 Troubleshooting and Maintenance Fault/Alarm Description Possible Causes A398: Alarm indicating current imbalance of phase W book Current Imbalance 3. It indicates an imbalance of 20 % in the current Phase W B3 distribution between this phase and the lowest current of the same phase in another book, only when the current in this phase is above 75 % of its rated value.

  • Page 28: Necessary Information To Contact Technical Support

    Do not perform any withstand voltage test! If necessary, consult WEG. The inverters require low maintenance when properly installed and operated. Table 3.2 presents the main procedures and time intervals for preventive maintenance. Table 3.3 provides recommended periodic inspections to be performed every 6 months after the inverter start-up.

  • Page 29: Cleaning Instructions

    Replacement of the HMI battery Every 10 year. manual. Replacement of the coolant of Every 5 years Contact WEG technical support. the primary circuit Open the panel and check for leaks. If any Monthly inspection Once a month leaks are found, correct them.

  • Page 30: Optional Kits

    In case accessory boards are necessary, they will be mounted on the standard control rack. All accessory boards of the CFW-11 series are available. All the alarms and faults of the CFW-11M series are valid for the CFW-11W. Refer to the CFW-11M user manual for further details of alarms and faults.
  • Page 31 Optional Kits CFW11W | 4-2...

  • Page 32: Technical Specifications

    Technical Specifications TECHNICAL SPECIFICATIONS This chapter describes the technical specifications (electrical and mechanical) of the CFW-11W inverters. 5.1. POWER DATA Refer to Table 5.1 and Table 5.2. DC power supply: refer to Table 5.1 (for complete operation, an external rectifier must be used).
  • Page 33 Technical Specifications Table 5.1: Technical Specifications for the CFW-11W Series (*)Consider more 12% of those losses for the environment. Provide proper ventilation to keep ambient temperature of 40ºC (104°F) CFW11W | 5-2...
  • Page 34 Technical Specifications Table 5.2: Specifications of the cooling system Temperature of the air surrounding the inverter 0 °C to 40 °C (32 °F to 104°F) for nominal conditions. 40 °C to 45 °C (104 °F to 113°F) with output current derating of 2 % for each 1 °C (1.8 °F) above 40 °C (104°F).
  • Page 35 Technical Specifications Note: (1) Steady state rated current in the following conditions: Ambient temperature: -0 °C to 40 °C (32 °F to 104 °F) - nominal conditions (measured around the inverter). 40 °C to 45 °C (104 °F to 113°F) - current derating of 2 % for each 1°C (1.8 °F) above 40 °C (104 °F).

  • Page 36: Electronics/General Data

    Technical Specifications (3) The motor power ratings are merely a guide for 440 V 4 poles WEG motor, in the 400 V series; 575 V in the 500 V series and 690 V in the 600 V series. The adequate inverter sizing must be based on the used motor rated current.

  • Page 37: Codes And Standards

    Technical Specifications 9 key: Start/Stop, Up arrow, Down arrow, Direction of rotation, Jog, HUMAN-MACHINE STANDAR Local/Remote, Right soft key and Left soft key. INTERFACE (HMI) D HMI Graphical LCD display. View/edition of parameter. Indication accuracy: current: 5 % of the rated current. speed resolution: 1rpm.

  • Page 38: Mechanical Data

    Technical Specifications 5.3. MECHANICAL DATA Figure 5.2: UP11 dimensions [mm(in)] CFW11W | 5-7...
  • Page 39 Technical Specifications Figure 5.3: Dimensions of control rack [mm(in)] Figure 5.4: Dimensions of the IPS board metal enclosure [mm(in)] CFW11W | 5-8...

  • Page 40: Regenerative Braking Operation

    Technical Specifications 5.4. REGENERATIVE BRAKING OPERATION When the CFW-11W is used in a drive as a regenerative converter (CFW-11W RB), consider the following information: Line 380-480 V: Consider the same losses indicated in Table 5.1. Line 500-690 V: The CFW-11W RB (line 500-690 V) has switching frequency of 2.5 kHz, instead of 2.0 kHz, as...
  • Page 42 WEG Drives & Controls – Automação LTD Jaragua do Sul - SC - Brazil Phone +55 (47) 3276-4000 - Fax +55 (47) 3276-4020 São Paulo – SP - Brazil Phone +55 (11) 5053-2300 - Fax +55 (11) 5052-4212 automacao@weg.net www.weg.net...

Table of Contents