ABB ACQ800 Series Manuale utente

Hardware Manual

ACQ800-37 Drives (55 to 450 kW / 75 to 550 hp)

ACQ800

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Document library, contact your local ABB representative.

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ACQ800-37 Drives (55 to 450 kW / 75 to 550 hp) Hardware Manual 3AXD50000038534

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ACQ800-37 Drives

55 to 450 kW (75 to 550 hp)

Hardware Manual

3AXD50000038534 REV A EN

EFFECTIVE: 2016-06-01

ACQ800-37 Hardware Manual 5

Safety instructions

What this chapter contains

This chapter contains safety instructions you must follow when installing, operating

and servicing the drive. If ignored, physical injury or death may follow, or damage

may occur to the drive, the motor or driven equipment. Read the safety instructions

before you work on the unit.

Usage of warnings and notes

There are two types of safety instructions throughout this manual: warnings and

notes. Warnings caution you about conditions which can result in serious injury or

death and/or damage to the equipment, and advise on how to avoid the danger.

Notes draw attention to a particular condition or fact, or give information on a

subject. The warning symbols are used as follows:

Dangerous voltage warning warns of high voltages which can cause

physical injury and/or damage to the equipment.

General warning warns about conditions, other than those caused by

electricity, which can result in physical injury and/or damage to the

equipment.

Electrostatic discharge warning warns of electrostatic discharge which

can damage the equipment.

6ACQ800-37 Hardware Manual

Safety instructions

Installation and maintenance work

These warnings are intended for all who work on the drive, motor cable or motor.

Ignoring the instructions can cause physical injury or death, or damage the

equipment.

WARNING!

•Only qualified electricians are allowed to install and maintain the drive.

•The main switch on the cabinet door does not remove the voltage from the input

busbars of the drive. Before working on the drive, isolate the whole drive from

the supply.

•Never work on the drive, the motor cable or the motor when main power is

applied. After switching off the input power, always wait for 5 min to let the

intermediate circuit capacitors discharge before you start working on the drive,

the motor or the motor cable. Measure the voltage between terminals UDC+

and UDC- (L+ and L–) with a multimeter (impedance at least 1 Mohm) to

ensure that the drive is discharged before beginning work.

•Apply temporary grounding before working on the unit.

•Do not work on the control cables when power is applied to the drive or to the

external control circuits. Externally supplied control circuits may cause

dangerous voltages to exist inside the drive even when the main power of the

drive is switched off.

•Do not make any insulation or voltage withstand tests on the drive or drive

modules.

•When reconnecting the motor cable, always check that the phase order is

correct.

•When joining shipping splits (if any), check the cable connections at the joints

before switching on the supply voltage.

•Live parts on the inside of the doors are protected against direct contact.

Special attention shall be paid when handling metallic shrouds.

•After maintaining or modifying a drive safety circuit or changing circuit boards

inside the module, retest the functioning of the safety circuit according to the

start-up instructions.

•Do not change the electrical installations of the drive except for the essential

control and power connections. Changes may affect the safety performance or

operation of the drive unexpectedly. All customer-made changes are the

customer’s responsibility.

Note:

•The motor cable terminals on the drive are at a dangerously high voltage when

the input power is on, regardless of whether the motor is running or not.

ACQ800-37 Hardware Manual 7

Safety instructions

•The brake control terminals (UDC+, UDC-, R+ and R- terminals) carry a

dangerous DC voltage (over 500 V).

•Depending on the external wiring, dangerous voltages (115 V, 220 V or 230 V)

may be present on the relay outputs of the drive system.

8ACQ800-37 Hardware Manual

Safety instructions

WARNING! Ignoring the following instructions can cause physical injury or death, or

damage to the equipment.

•Use extreme caution when maneuvering an inverter, supply or filter module that

runs on wheels. The modules are heavy and have a high center of gravity. They

topple over easily if handled carelessly.

•Do not use the ramp which is supplied with the drive with heights over 50 mm

(1.97 in) (the standard plinth height of ABB cabinets). The ramp is designed for

a plinth height of 50 mm (1.97 in).

Do not tilt!Support the top and

bottom of the module

while removing!

Lift the module by the upper part only

using the lifting hole(s) at the top!

Extend the support legs outside the

cabinet!

Mind your fingers! Keep fingers away from the

edges of the front flange of the module!

Support the top and bottom

of the module while

replacing!

max 50 mm

ACQ800-37 Hardware Manual 9

Safety instructions

Grounding

These instructions are intended for all who are responsible for the grounding of the

drive. Incorrect grounding can cause physical injury, death or equipment malfunction

and increase electromagnetic interference.

•When removing a module which is equipped with wheels, pull the module

carefully out of the cubicle along the ramp. Make sure that the wires do not

catch. While pulling on the handle, keep a constant pressure with one foot on

the base of the module to prevent the module from falling on its back.

•When replacing a module which is equipped with wheels, push the module up

the ramp and back into the cubicle. Keep your fingers away from the edge of

the module front plate to avoid pinching them between the module and the

cubicle. Also, keep a constant pressure with one foot on the base of the module

to prevent the module from falling on its back.

•Electrically conductive dust inside the unit may cause damage or lead to

malfunction. Make sure that dust from drilling does not enter the drive when

installing.

•Fastening the cabinet by riveting or welding is not recommended. However, if

welding is necessary, ensure the return wire is properly connected in order not

to damage the electronic equipment in the cabinet. Also ensure that welding

fumes are not inhaled.

•Ensure sufficient cooling of the unit.

•Cooling fans may continue to rotate for a while after the disconnection of the

electrical supply.

•Some parts inside the drive cabinet, such as heatsinks of power

semiconductors, remain hot for a while after the disconnection of the electrical

supply.

WARNING!

•The printed circuit boards contain components sensitive to electrostatic

discharge. Wear a grounding wrist band when handling the boards. Do not

touch the boards unnecessarily.

WARNING!

•Ground the drive, the motor and adjoining equipment to ensure personnel

safety in all circumstances, and to reduce electromagnetic emission and pick-

up.

•Make sure that grounding conductors are adequately sized as required by

safety regulations.

•In a multiple-drive installation, connect each drive separately to protective

earth (PE).

10 ACQ800-37 Hardware Manual

Safety instructions

Fiber optic cables

•Do not install a drive equipped with an EMC (line) filter to an ungrounded

power system or a high resistance-grounded (over 30 ohms) power system.

Note:

•Power cable shields are suitable for equipment grounding conductors only

when adequately sized to meet safety regulations.

•As the normal leakage current of the drive is higher than 3.5 mA AC or

10 mA DC, a fixed protective earth connection is required by EN 61800-5-1,

4.3.5.5.2. The cross-section of the protective grounding conductor must be at

least 10 mm2Cu or 16 mm2Al.

WARNING!

•Handle the fiber optic cables with care. When unplugging optic cables, always

grab the connector, not the cable itself. Do not touch the ends of the fibers with

bare hands as the fiber is extremely sensitive to dirt. The minimum allowed

bend radius is 35 mm (1.4 in).

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