Warning Of Electrostatic Discharge - ABB DCS 600 MultiDrive Series Manual

Dcs thyristor power converters for dc drive systems 25 to 5150 a/10300 a. manual for 12 – pulse operation parallel/serial/sequential

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Table Of Contents

Table of Contents

General warning

Warning of elec-

trostatic dis-

charge

DCS 600 Manual for 12 – Pulse Operation

General warning: this symbol warns you of non-

electrical risks and dangers which may result in seri-

ous or even fatal injury to persons and/or in damage

to equipment. Where appropriate, the text printed ad-

jacent to this symbol describes how risks of this kind

may be avoided.

G When thyristor power converters are in use, the electric motors,

power transmission elements and the driven machines are

working in an extended operating range, which means they have

to cope with a relatively high loading.

You should have made sure that all units, devices and appli-

ances used are actually suitable for this higher loading.

If you have to operate the thyristor power converter at a rated

motor voltage and/or a rated motor current significantly below

the figures stated in the thyristor power converter's output data,

you must take appropriate precautionary measures to protect

the unit against overspeed, overload, breakage, etc., by modify-

ing the software or hardware appropriately.

For insulation testing, you must disconnect all cables from the

thyristor power converter. You should avoid operating your unit

at values other than the rated data. Non-compliance with these

instructions may cause lasting damage to the thyristor power

converter.

G The thyristor power converter possesses a number of automatic

reset functions. When these functions are executed, the unit will

be reset after an error and will then resume operation. These

functions should not be used if other units and devices are not

suitable for an operating mode of this kind, or if their use might

entail dangerous situations.