The most common disturbances in supply networks are short-term voltage dips. They can be caused by inrush currents from capacitors, motors or large transformers. However, most voltage dips are due to short circuits or ground faults in the grid, often many kilometers away from where they occur. Although they usually last only fractions of a second, they can lead to major problems. A voltage drop of 0.1 seconds, for example, has serious consequences for the manufacturing industry. The high degree of automation of individual processes and continuously running production lines requires an absolutely stable, trouble-free environment. Only in this way can companies ensure the highest product quality and a minimum of rejects. In the worst case, a disturbance lasting 100 ms leads to a production stoppage lasting hours. With systems for an uninterruptible power supply, short-term voltage dips can be compensated.
- Security of supply
- Smooth production and supply chains
- Reduction of maintenance, material and personnel costs
How Voltage dip mitigation works
UPS systems are responsible for the smooth and safe power supply of devices, plants and industries. They are considered a modern safety system that protects against power outages and power fluctuations in the form of overvoltage or undervoltage. The UPS systems continuously monitor the incoming voltage from the mains connection. As soon as a fault occurs, the systems switch to emergency power supply within a few milliseconds. Depending on the design, a UPS can bridge disturbances up to several hours.