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Charging technology for electric and hybrid vehicles Pages  
AC charging stations can often be found at home, in hotels, public parking areas or at the workplace. A great advantage of AC charging is that the conventional 230 V/400 V AC power supply…  
Data protection declaration Pages  
Privacy Policy 1. An overview of data protection General information The following information will provide you with an easy to navigate overview of what will happen with your personal data when…  
How does residual current monitoring work? Pages  
All conductors of the outgoing circuit to be monitored (except the PE conductor) are routed through a measuring current transformer. In a fault-free system, the sum of all currents is equal to zero…  
Why residual current monitoring? Pages  
Comprehensive information Clear information centrally indicated on an LC display Transparency of all safety-related information through data transfer via bus systems and integration into…  
Variable-speed drives and pulsing ground-fault location Pages  
The effect of harmonics from VFD’s on ground-fault protection Variable-speed drives use semiconductor components to rectify and invert voltage and current. To create an AC output, the internal DC…  
Conversion of a solidly grounded system into an HRG system Pages  
Why NGR’s require continuous monitoring The neutral-grounding resistor (NGR) is a critical element of a high-resistance-grounded (HRG) electrical power system. HRG systems always include…  
Electrical safety for high resistance grounded systems Pages  
There are many kinds of systems that typically use a high resistance grounded power supply. Most of them usually require a high availability, reliability and thorough safety for their personnel and…  
Applications in focus Pages  
Bender technology is used in a variety of applications. We guarantee electrical safety worldwide for example in the fields of mechanical engineering, healthcare, mining, power generation,…  
Insulation resistance - testing, measuring, monitoring Pages  
During periodic tests the measurement of the insulation resistance is part of the measurements to be undertaken in accordance with DIN VDE 0105-100 (VDE 0105-100):2009-10. The insulation…  
Inductive heating and hardening electrically safe Pages  
In the metalworking industry modern induction furnaces are used. By means of coils (inductors) these furnaces induce cyclones inside the metal workpiece to be heated. These furnaces are used,…  
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