Energy supply in which a plurality of components disposed along a transmission route each transform a voltage
An energy supply is provided along a route with at least one distribution station, wherein a first voltage is applied at the input and a second voltage at the output. The second voltage is lower or higher than the first voltage. A plurality of components are arranged along the route. A component, which is supplied with the second voltage, includes a power supply unit for transforming the second voltage into a third voltage.
1. An energy supply along a transmission route, comprising:
at least one distribution substation having an input receiving a first voltage and an output carrying a second voltage, wherein the second voltage is lower or higher that the first voltage;
a plurality of components disposed along the transmission route, each said component being supplied with the second voltage and having a power supply configured to transform the second voltage to a third voltage, and said component comprising:
an input transformer;
a unit for power factor correction connected to said input transformer;
a voltage regulator connected to said unit for power factor correction; and
an inverter for generating the third voltage, said inverter being connected to said voltage regulator.
2. The energy supply according to claim 1 , wherein the first voltage is a medium voltage.
3. The energy supply according to claim 1 , wherein the first voltage is a voltage in a range of from 5 kV to 20 kV.
4. The energy supply according to claim 1 , wherein the second voltage is a low voltage.
5. The energy supply according to claim 1 , wherein the second voltage is a voltage less than or equal to 1000 V.
6. The energy supply according to claim 1 , wherein the second voltage is an AC voltage.
7. The energy supply according to claim 1 , wherein the second voltage is a three-phase system voltage.
8. The energy supply according to claim 1 , wherein the second voltage is a DC voltage.
9. The energy supply according to claim 1 , wherein said power supply is configured to transform the second voltage to a regulated third voltage, the third voltage being an AC voltage or a DC voltage.
10. The energy supply according to claim 1 , wherein the third voltage is a voltage selected from the group consisting of 12 V, 24 V, 48 V, 110 V, and 230 V.
11. The energy supply according to claim 1 , wherein said component comprises a consumer or terminals for a consumer, and wherein the consumer is arranged along the transmission route.
12. The energy supply according to claim 11 , wherein the consumer includes a unit for power factor correction that has an output, and a voltage regulator that is connected to said output of said unit for power factor correction.
13. The energy supply according to claim 1 , wherein said power supply is a switched mode power supply.
14. The energy supply according to claim 1 , which comprises an intermediate-circuit capacitor connected upstream of said inverter.
15. The energy supply according to claim 1 , wherein the second voltage is a DC voltage and said component comprises a DC-to-DC converter.
16. The energy supply according to claim 1 , wherein the transmission route comprises:
a roadway;
a stretch of high-speed railway;
a pipeline;
a street;
a railway line;
a telecommunications line.