Electrical power conversion system

Patent metadata

Field	Value
Publication number	US-10091885-B2
Application number	US-201515320880-A
Country	US
Kind code	B2
Filing date	Jul 13, 2015
Priority date	Jul 24, 2014
Publication date	Oct 2, 2018
Grant date	Oct 2, 2018

Abstract

An electrical power conversion system for converting a high voltage from a HV electrical power supply to a low voltage is disclosed. In an embodiment, the electrical power conversion system includes at least one power converter and at least one RC network including a plurality of resistive components and a plurality of capacitive components electrically connected in series. In an embodiment, the at least one RC network is in series connection with the at least one power converter and the at least one RC network and at least one power converter are arranged to be connected across a line potential of the HV electrical power supply.

First claim

The invention claimed is:

1. An electrical power conversion system for converting a high voltage (HV) from a HV electrical power supply to a low voltage, the electrical power conversion system comprising:
at least one power converter; and
at least one RC network including a plurality of resistive components and a plurality of capacitive components electrically connected in series, wherein the at least one RC network is in series connection with the at least one power converter, and the at least one RC network and at least one power converter are arranged to be connected across a line potential of the HV electrical power supply, wherein the at least one power converter includes a rectifier to rectify a current flowing through the at least one RC network.

2. The electrical power conversion system of claim 1 , wherein the at least one power converter includes a switch mode power supply.

3. The electrical power conversion system of claim 1 , wherein:
the plurality of resistive components are a plurality of surface mounted resistive components and the plurality of capacitive components are a plurality of surface mounted capacitive components; and
the plurality of surface mounted resistive components and the plurality of surface mounted capacitive components are mounted on one or more electronic circuit boards forming the at least one RC network on the one or more electronic circuit boards.

4. The electrical power conversion system of claim 3 , further comprising:
a plurality of RC networks, the plurality of RC networks including the at least one RC network, wherein
the plurality of surface mounted resistive components and the plurality of surface mounted capacitive components are mounted on a plurality of electronic circuit boards respectively forming the plurality of RC networks with one respective RC network on each respective electronic circuit board of the plurality of electronic circuit boards, and
the plurality of electronic circuit boards are stacked and electrically interconnected forming a stacked RC network including the electrically interconnected plurality of electronic circuit boards.

5. The electrical power conversion system of claim 4 , wherein the at least one power converter is mounted on a further electronic circuit board, and the further electronic circuit board forms part of the plurality of electronic circuit boards that are stacked.

6. The electrical power conversion system of claim 4 , further comprising:
one or more insulated circuit board receptacles arranged to support the one or more electronic circuit boards.

7. The electrical power conversion system of claim 6 , wherein the one or more insulated circuit board receptacles includes a plurality of insulated circuit board receptacles, each arranged to support a respective one of a plurality of the electrically interconnected electronic circuit boards in a stacked configuration.

8. The electrical power conversion system of claim 1 , further comprising:
a voltage sense module adapted to measure the current flowing through the at least one RC network and adapted to convert the current to a sensor voltage value.

9. The electrical power conversion system of claim 8 , further comprising:
a voltage loss correction module, wherein the voltage loss correction module is adapted to correct the sensor voltage value based on voltage losses caused by the at least one power converter.

10. The electrical power conversion system of claim 1 , wherein the at least one RC network and at least one power converter are arranged to be connected between a line connection of the HV electrical power supply and a ground connection of the HV electrical supply.

11. The electrical power conversion system of claim 1 , wherein the at least one RC network and at least one power converter are arranged to be connected between a first line connection of the HV electrical power supply and a second line connection of the HV electrical supply.

12. The electrical power conversion system of claim 4 , further comprising:
one or more insulated circuit board receptacles arranged to support the one or more electronic circuit boards.

13. The electrical power conversion system of claim 12 , wherein the one or more insulated circuit board receptacles includes a plurality of insulated circuit board receptacles, each arranged to support a respective one of the plurality of the electrically interconnected electronic circuit boards in a stacked configuration.

14. The electrical power conversion system of claim 2 , further comprising:
a voltage sense module adapted to measure the current flowing through the at least one RC network and adapted to convert the current to a sensor voltage value.

15. The electrical power conversion system of claim 14 , further comprising:
a voltage loss correction module, wherein the voltage loss correction module is adapted to correct the sensor voltage value based on voltage losses caused by the at least one power converter.

16. The electrical power conversion system of claim 3 , further comprising:
a voltage sense module adapted to measure the current flowing through the at least one RC network and adapted to convert the current to a sensor voltage value.

17. The electrical power conversion system of claim 16 , further comprising:
a voltage loss correction module, wherein the voltage loss correction module is adapted to correct the sensor voltage value based on voltage losses caused by the at least one power converter.

18. The electrical power conversion system of claim 3 , further comprising:
one or more insulated circuit board receptacles arranged to support the one or more electronic circuit boards.

Assignees

• Murray David Russell
• Watson Brett
• Siemens Ag

Inventors

• Murray David Russell
• Watson Brett

Classifications

• H02M7/06

  using discharge tubes without control electrode or semiconductor devices without control electrode · CPC title

• H05K2201/10022

  Non-printed resistor · CPC title

• H02M3/33538

  of the forward type (H02M3/3353, H02M3/33569 take precedence) · CPC title

• H05K2201/10015

  Non-printed capacitor · CPC title

• H02M7/066

  particular circuits having a special characteristic · CPC title