WEG CFW-11W Istruzioni per l'installazione e il funzionamento

Motors I Automation I Energy I Transmission & Distribution I Coatings

Modular Drive

CFW-11W

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

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

INSTALLATION AND CONNECTION................................................................2-1

2.1.

ENVIRONMENTAL CONDITIONS............................................................................................. 2-1

2.2.

COMPONENT LIST ................................................................................................................. 2-1

2.3.

MECHANICAL INSTALLATION ................................................................................................ 2-2

2.4.

COOLING SYSTEM................................................................................................................. 2-6

2.4.1. Condensation .................................................................................................................2-7

2.5.

ELECTRICAL INSTALLATION .................................................................................................. 2-7

2.5.1. Input Rectifier.................................................................................................................. 2-8

2.5.2. Fuses.............................................................................................................................. 2-9

2.5.3. UP11 Connections.......................................................................................................... 2-9

2.6.

INSTALLATIONS ACCORDING TO THE EUROPEAN DIRECTIVE OF ELECTROMAGNETIC

COMPATIBILITY........................................................................................................................... 2-12

2.6.1. Conformal Installation.................................................................................................... 2-12

2.6.2. Standard Definitions...................................................................................................... 2-13

2.6.3. Emission and Immunity Levels ......................................................................................2-14

2.6.4. External RFI Filters ........................................................................................................2-14

TROUBLESHOOTING AND MAINTENANCE.....................................................3-1

3.1.

FAULTS, ALARMS AND POSSIBLE CAUSES........................................................................... 3-1

3.2.

NECESSARY INFORMATION TO CONTACT TECHNICAL SUPPORT........................................ 3-4

3.3.

PREVENTIVE MAINTENANCE.................................................................................................. 3-4

3.3.1. Cleaning Instructions....................................................................................................... 3-5

OPTIONAL KITS ............................................................................................4-1

4.1.

OptionAL Kits and AcCessories............................................................................................... 4-1

TECHNICAL SPECIFICATIONS .......................................................................5-1

5.1.

POWER DATA......................................................................................................................... 5-1

5.2.

ELECTRONICS/GENERAL DATA ............................................................................................. 5-5

5.2.1. Codes and Standards..................................................................................................... 5-6

5.3.

MECHANICAL DATA ............................................................................................................... 5-7

5.4.

REGENERATIVE BRAKING OPERATION.................................................................................. 5-9

General Information

CFW11W | 1-1

1. GENERAL INFORMATION

ATTENTION!

Strictly follow the safety instructions contained in this Addendum and in the CFW-11M user

manual

1.1.

ABOUT THE MANUAL

This manual provides information about the CFW-11W Modular Drive frequency inverter series. Refer to the

CFW-11M user manual and the CFW-11 programming manual.

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.

These inverters are water cooled, being more compact than other inverters. Moreover, the DC link features

plastic film capacitors, which reduce losses and increase maintenance intervals.

The UP11s are directly powered by the DC link and the UC11 is powered by an external +24 Vdc power supply.

Figure 1.1 shows the standard configuration with an input six pulses rectifier.

The power units are controlled by the UC11. The UC11 contains the control rack of CFW-11 series and the IPS

board. This board sends signals to all UP11s (PWM, control signals, etc.) and receives signals from them

(voltage feedback, current, etc.).

Figure 1.1:

Example of configuration with 5 UP11s and 6-pulse rectifiers

General Information

CFW11W | 1-2

Figure 1.2:

Block Diagram of the CFW-11W

General Information

CFW11W | 1-3

Figure 1.3:

UC 11 Main parts

Figure 1.4:

UP 11 Main parts

General Information

CFW11W | 1-4

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

General Information

CFW11W | 1-5

NOTE

In order to assemble the complete drive, several additional items are needed, such as: input

rectifier, fuses on the DC power supply for each UP11, external pre-charge circuit and input

reactance with minimum input impedance of 3% when it is a 6-pulse rectifier.

NOTE

It is not necessary to add the ground fault CT to the drive, since the UP11s have their own

protection.

1.3.

HOW TO SPECIFY THE MODEL

In order to specify the model of the CFW-11W, replace the smart code values with the desired rated supply

voltage and rated output current in the respective fields, for operation under normal duty cycle (ND), as shown in

the example:

Table 1.1:

Smart Code

Inverter Model

Option Items Available

Refer to the model list of the CFW

11W

series in chapter 5, which

also contains

the technical specifications of the

inverters.

Refer to chapter 7 of the CFW11M user manual

for further details on the option items.

Example BR CFW11W

0640 T

6 (*)

S_ _ _ _ _ _ _ _ Z

Field

description

Identification

of the market

(defines the

manual

language and

factory

settings)

WEG

frequency

inverter

series 11

Rated

output

current

for

use

with

the

Normal

Duty

(ND)

cycle

Number

of output

phases

Rated

output

voltage

Option kit

Braking

Safety

stop

Special

hardware

Special

software

Character

that

identifies

the code

end

Options

available

2 characters

T=Three-

Phase

4=380..

.480 V

6=500..

.690 V

S=Standard

product

O=Product

with option

items

Blank=

standard

RB=

Regenerative

braking

Blank=

Standard

(without

safety

stop)

Y=with

safety stop

function as

per EN

954

-1

category 3

Blank=

Standard

H1=

Special

hardware

# 1

Blank=

Standard

S1=

Special

software #

(*)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.

E.g.: CFW11W0640T6SZ corresponds to a standard CFW-11W inverter with 640-A three-phase output and

input supply voltage of 500 - 690 V. The options for the inverter rated current under normal duty (ND) cycle are

available in Table 1.2 below:

General Information

CFW11W | 1-6

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

Installation and Connection

CFW11W | 2-1

2. 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.

2.1.

ENVIRONMENTAL CONDITIONS

Avoid installing the CFW-11W in areas with:

Direct exposure to sunlight, rain and high humidity

Inflammable or corrosive gases or liquids

Excessive vibration

Dust, metallic particles and oil mist.

Environment conditions for the operation of the inverter:

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).

Coolant input temperature: 0 ºC to 40 ºC (32°F to 104°F) according to the coolant used. 40 ºC to 45 ºC

(104 °F to 113 °F) – current derating of 3 % for each 1 °C (1.8 °F) above 40 ºC (104 °F)

Coolant flow: 20 l/min.

Air relative humidity: 5 % to 90 % non-condensing.

Maximum altitude: up to 1000 m (3,300 ft) – nominal conditions. 1000 m to 4000 m (3,300 ft to 13,200

ft) – current derating of 1 % for each 100 m (or 0.3 % each 100 ft) above 1000 m (3,300 ft). 2000 m to

4000 m (6,600 ft to 13,200 ft) – maximum voltage derating of 1.1 % for each 100 m (or 0.33 % each

100 ft) above 2000 m (6,600 ft). Maximum altitude up to 4000 m (13,200 ft).

Pollution degree: 2 (according to EN50178 and UL508C), with non-conductive pollution. Condensation

shall not originate conduction through the accumulated residues.

2.2.

COMPONENT LIST

The kit for panel mounting is composed of the control set and the UP11 power units, whose number varies

according to the current. The control set contains the UC11 control unit, the cable sets required for wiring the

IPS board to the power units and the ribbon cable that connects the IPS board to the CC11 control board.

Table 2.1:

Currents and settings at 390-490 V

Rated Current (A)

Number of UP11-04

power units

ND HD

700 515 1

1330

979

1995

1468

2660 1957 4

3325

2446

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