Method for determining power flow in an electrical distribution system
AssigneeSiemens Power Transmission & Distribution, Inc.
InventorIlya Roytelman
Life of this patent
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Abstract
A method for determining a power flow in an electrical distribution network (104) includes determining respective feeder apparent powers of electrical power feeders (114) connected at a supply node (118) of the electrical distribution network. The method also includes determining a feeder power factor angle of at least one of the feeders responsive to the feeder apparent powers, a supply node active power, and a supply node reactive power. The method then includes using at least one of the feeder power factor angles for determining a power flow in the electrical distribution network, such as by calculating feeder active and reactive power and using these powers to provide load allocation.
Claims19
A method for determining a power flow in an electrical distribution network comprising:
- determining respective feeder apparent powers of a plurality of electrical distribution network feeders receiving electrical power from a supply node of an electrical distribution network responsive to respective feeder currents in the feeders and a node voltage of the supply node;
- generating a system of node equations having feeder power factor angles of each of the feeders as variables and relating feeder apparent powers, a supply node active power, and a supply node reactive power;
- solving the system of node equations for at least one of the feeder power factor angles;
- and
- using the feeder power factor angle for determining a power flow in the electrical distribution network.
A method for determining a power flow in an electrical distribution network comprising:
- determining respective feeder apparent powers of electrical power feeders connected at a supply node of an electrical distribution network;
- determining a feeder power factor angle of at least one of the feeders responsive to the feeder apparent powers, a supply node active power, and a supply node reactive power;
- and
- using at least one of the feeder power factor angles for determining a power flow in the electrical distribution network.
Computer readable media containing program instructions for determining a power flow in an electrical distribution network, the computer readable media comprising:
- a computer program code for determining respective feeder apparent powers of electrical power feeders connected at a supply node of an electrical distribution network;
- a computer program code for determining a feeder power factor angle of at least one of the feeders responsive to the feeder apparent powers, a supply node active power, and a supply node reactive power;
- and
- a computer program code for using at least one of the feeder power factor angles for determining a power flow in the electrical distribution network.
Dependencies are inferred from the claim text.