A network monitoring device for a supply network and a method for actuating a switch unit are disclosed, wherein the switch unit can control the energy supply of a consumer connected to a supply network. In order to prevent an overload of the supply network or of parts thereof, according to an embod
A network monitoring device for a supply network and a method for actuating a switch unit are disclosed, wherein the switch unit can control the energy supply of a consumer connected to a supply network. In order to prevent an overload of the supply network or of parts thereof, according to an embodiment of the invention, the network monitoring device includes a communication device, wherein the network monitoring device can receive a switch command for a switch unit via the communication device and transmit same to the switch unit, wherein the network monitoring device is designed to determine a network utilization of the supply network by way of a measurement device and, in dependence on the determined network utilization,; to influence a received switch command for the switch unit, which would lead to increased energy consumption on the supply network.
대표청구항▼
1. A network monitoring device, comprising: a communication device, wherein the network monitoring device is configured to receive a switch command for a switch unit via the communication device and is configured to transmit the switch command to the switch unit,the switch unit is configured to cont
1. A network monitoring device, comprising: a communication device, wherein the network monitoring device is configured to receive a switch command for a switch unit via the communication device and is configured to transmit the switch command to the switch unit,the switch unit is configured to control the energy supply of a consumer connected to a supply network,the network monitoring device is configured to determine a network utilization of the supply network by way of a measurement device and, in dependence on the determined network utilization, to influence a received switch command for the switch unit which would lead to increased energy consumption on the supply network, andthe switch unit is a contactor, a soft starter or a frequency converter. 2. The network monitoring device of claim 1, wherein the communication device is configured to at least one of control the switch unit directly and transmit the determined network utilization to the switch unit. 3. The network monitoring device of claim 1, wherein the network monitoring device is configured to compare a value determined by the measurement device with a reference value stored in the network monitoring device so that the network utilization of the supply network is determinable. 4. The network monitoring device of claim 1, wherein the network monitoring device is configured such that, when the switch command for the switch unit is present, a further switch unit connected to the network monitoring device is actuatable such that the energy consumption of a consumer actuated by the further switch unit on the supply network will be reduced. 5. The network monitoring device of claim 1, wherein consumption figures for several consumers are stored in the network monitoring device. 6. The network monitoring device of claim 1, wherein the network monitoring device is configured to communicate with a further network monitoring device and is configured to transmit the determined network utilization of the supply network to the further network monitoring device. 7. A programmable logic controller comprising the network monitoring device of claim 1. 8. A supply system comprising: a supply network;at least one switch unit; andthe network monitoring device of claim 1, wherein the network monitoring device is configured to determine the network utilization at a first measuring point of the supply network by way of the measurement device and, in dependence on the determined network utilization at the first measuring point, is configured to influence a switch command for the switch unit, which would lead to increased energy consumption on the supply network. 9. The supply system of claim 8, wherein the switch unit is connected downstream in relation to the first measuring point on the supply network. 10. The supply system of claim 8, wherein the switch unit includes two switch units connected to on the supply network, wherein, on the basis of a switch command for one of the two switch units, the network monitoring device is configured to, in dependence on the determined network utilization of the supply network, influence the switching status of the two switch units. 11. The supply system of claim 8, further comprising a further network monitoring device, configured to determine the network utilization at a second measuring point of the supply network. 12. A method for actuating a switch unit, to control energy supply of a consumer connected to a supply network, the method comprising: determining, using a network monitoring device, a network utilization of the supply network by way of a measurement device and,influencing, in dependence on the determined network utilization, a received switch command for the switch unit which would lead to increased energy consumption on the supply network, wherein the switch unit is a contactor, a soft starter or a frequency converter. 13. The method as claimed in claim 12, further comprising: actuating, on the basis of the switch command for the switch unit, a further switch unit connected to the network monitoring device such that the energy consumption of a consumer actuated by the further switch unit on the supply network is reduced. 14. The supply system of claim 9, wherein the switch unit includes two switch units connected to on the supply network, wherein, on the basis of a switch command for one of the two switch units, the network monitoring device is configured to, in dependence on the determined network utilization of the supply network, influence the switching status of the two switch units. 15. A programmable logic controller comprising the network monitoring device of claim 2. 16. A supply system comprising: a supply network;at least one switch unit; andthe network monitoring device of claim 2, wherein the network monitoring device is configured to determine the network utilization at a first measuring point of the supply network by way of the measurement device and, in dependence on the determined network utilization at the first measuring point, is configured to influence a switch command for the switch unit, which would lead to increased energy consumption on the supply network. 17. A programmable logic controller comprising the network monitoring device of claim 3. 18. A supply system comprising: a supply network;at least one switch unit; andthe network monitoring device of claim 3, wherein the network monitoring device is configured to determine the network utilization at a first measuring point of the supply network by way of the measurement device and, in dependence on the determined network utilization at the first measuring point, is configured to influence a switch command for the switch unit, which would lead to increased energy consumption on the supply network.
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