Reliable monitoring of drive technology/conveyor technology
Electric motors or pumps powered by gentle starters or frequency converters are increasingly found in modern systems. However, these generate critical harmonic vibrations in the feeding AC system. Regular RCD or simple insulation monitors (e.g. 3 lamp method or 2 voltmeter process) cannot maintain an overview of this. The leakage currents and the load on the insulation of the motors also have to be observed. There is a need for modern monitoring equipment from Bender which recognises and reports these problems quickly.
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Recommended systems for insulation monitoring:
Recommended systems for insulation fault location:
Recommended systems for residual current monitoring:
Recommended measuring current transformers:
Analysing and reporting:
EN 61557-8
Electrical safety in low voltage distribution systems up to 1 000 v a.c. and 1 500 v d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems
EN 61557-9
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems
EN 61557-15
Electrical safety in low voltage distribution systems up to 1000 V ac and 1500 V dc - Equipment for testing, measuring or monitoring of protective measures - Part 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems
DIN EN 50178
Electronic equipment for use in power installations
IEC 60204-1
Safety of machinery - Electrical equipment of machines - Part 1: General requirements
Electrical safety in low voltage distribution systems up to 1 000 v a.c. and 1 500 v d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 8: Insulation monitoring devices for IT systems
EN 61557-9
Electrical safety in low voltage distribution systems up to 1000 V a.c. and 1500 V d.c. - Equipment for testing, measuring or monitoring of protective measures - Part 9: Equipment for insulation fault location in IT systems
EN 61557-15
Electrical safety in low voltage distribution systems up to 1000 V ac and 1500 V dc - Equipment for testing, measuring or monitoring of protective measures - Part 15: Functional safety requirements for insulation monitoring devices in IT systems and equipment for insulation fault location in IT systems
DIN EN 50178
Electronic equipment for use in power installations
IEC 60204-1
Safety of machinery - Electrical equipment of machines - Part 1: General requirements