82 results:

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Electrical safety in opencast mining

 
… boards. REQUEST ADVICE Heavy lorries are increasingly being powered by electric drives. Bender insulation monitoring devices monitor the complete electrical drive system for utility vehicles, irrespective…  

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Control circuits as an IT system

 
… of operational safety, failure prevention and cost reduction, unearthed control circuits with insulation monitoring are often the better choice. Insulation fault location systems can be used as a…  

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Using built-in generators safely

 
… to be ready for action at any time. It must be guaranteed that the first fault is detected by an insulation monitoring device and reported visually or acoustically.  REQUEST ADVICE  

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Using the charging technology for electric vehicles safely

 
… or asymmetrical faults. Until now, two different devices were necessary for this purpose. The new insulation monitoring device ISOMETER® isoCHA425HV in combination with the coupling device AGH420-1…  

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Making railway stations electrically safe

 
… accelerates maintenance and troubleshooting. Unearthed power supplies are monitored via insulation monitoring devices to check the condition of the insulation. Faulty outgoing circuits of the power…  

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Fire protection

 
… of the final circuit. The residual operating current must not exceed 300 mA.” In section “532.4 Insulation monitoring devices (IMDs) for protection against fire risks in IT systems” the use of insulation…  

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Using mobile generators safely

 
… Given these requirements, based on IEC 60364-5-551, the safety measure “Protective isolation with insulation monitoring and shutdown” is the correct solution in practice.  

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Types of distribution systems for power supply

 
… a common connection to the system earth. The following protective devices are permitted: Insulation monitoring devices (IMDs) Overcurrent protective devices Residual current protective devices…  

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History

 
… approval 1942 Granting of a patent for an insulation monitoring device 1946 Walther Hans…  

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Advantages of the IT system

 
… IT system is not even considered, even if it would be a better choice. The latest generation of insulation monitoring devices offers numerous economical and technical advantages that benefit the operator.…  
Search results 51 until 60 of 82

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