Siemens H-compact PLUS, Руководство по эксплуатации

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Safety information
2.4 Electromagnetic compatibility
WOGeneric TEAAC / 2008
Siemens AG Operating Instructions 1.03 1RQ671...-Z
11
Example
This current limit corresponds to the following upper power limits, depending on the
relationship between the starting current I
A
and rated current I
N
and on the voltage dip (up to
approximately 20%) while the motor is starting up:
● Approximately 750 kW at I
N
= 3 kV
● Approximately 1500 kW at I
N
= 6 kV
● Approximately 2500 kW at I
N
= 10 kV
A limiter to ground is installed in the switchgear between the circuit breaker and the cable
termination for each of the three conductors. The level of protection for the motor windings is
sufficient given the correct choice of limiters (rated motor voltage/response voltage).
[ID 250.01]
2.4 Electromagnetic compatibility
Instructions relevant to safety
When used in accordance with their intended purpose and operated in an electrical supply
system with characteristics to EN 50160, the enclosed motors (IP 54 and higher) comply with
the requirements of the EC Directive concerning electromagnetic compatibility 89/336/EEC.
WARNING
Interference emissions from very irregular load torque
If the load torque is very irregular (e.g. when driving a reciprocating compressor) a non-
sinusoidal motor current will be induced whose harmonics might bring about an excessive
reaction on the supply system and so cause excessive emitted interference on the power
supply connecting leads.
For example, the operation of heart pacemakers can be impaired, potentially leading to
damage to a person's health or even death. It is therefore forbidden for persons with heart
pacemakers to enter these areas.
The plant operator is responsible for taking appropriate measures (labels and hazard
warnings) to adequately protect operating personnel and others against any possible risk.
WARNING
Interference voltages when operated with frequency converter
If operated on a frequency converter, the emitted interference varies in strength, depending
on the converter (manufacturer, type, interference suppression measures undertaken). On
motors with integrated sensors (e.g. PTC thermistors), interference voltages caused by the
converter may occur on the sensor lead. This can cause faults which can result in eventual
or immediate death, serious injury, or material damage.
In order to avoid exceeding the limit values as per EN 50081 on the drive system (motor
and converter), the EMC information given by the converter manufacturer must be strictly
observed. You must put appropropriate EMC measures in place.