Data processing device and method for high voltage direct current transmission system

Patent metadata

Field	Value
Publication number	US-9929666-B2
Application number	US-201615073985-A
Country	US
Kind code	B2
Filing date	Mar 18, 2016
Priority date	Mar 23, 2015
Publication date	Mar 27, 2018
Grant date	Mar 27, 2018

Abstract

A data processing device for a high voltage direct current (HVDC) transmission system is provided. The data processing device includes a plurality of measuring interface systems (MIS) for measuring a voltage or current in an HVDC transmission system; a bus for transmitting data on the plurality of MISs; and an optical distribution module (ODM) transmitting the data transmitted through the bus to the HVDC transmission system, wherein the plurality of MISs increases counter values according to a data transmission completion signal of the ODM, and an MIS corresponding to the counter value among the plurality of MISs transmits data to the ODM through the bus.

First claim

What is claimed is:

1. A data processing device for a high voltage direct current (HVDC) transmission system, the data processing device comprising:
a plurality of measuring interface systems (MIS) for measuring a voltage or current;
a bus for transmitting data of the plurality of MISs to an optical distribution module (ODM); and
the ODM sequentially transmitting the data transmitted through the bus from the plurality of MISs,
wherein the plurality of MISs increase counter values by 1 according to a data transmission completion signal of the ODM, and an MIS, corresponding to the increased counter value among the plurality of MISs, transmits data to the ODM through the bus.

2. The data processing device according to claim 1 , wherein a first MIS among the plurality of MISs outputs a first data transmission start signal, and each of remaining MISs among the plurality of MISs resets a counter value of a counter module according to the first data transmission start signal.

3. The data processing device according to claim 1 , wherein a second MIS corresponding to the increased counter value outputs a data transmission start signal and then transmits data.

4. The data processing device according to claim 3 , wherein in a case where the second MIS corresponding to the increased counter value having 1 does not output the data transmission start signal within a predetermined time, the ODM outputs a data transmission completion signal, and each of the plurality of MISs increases a counter value of the counter module by 1 according to the data transmission completion signal such that a third ODM corresponding to the increased counter value having 2 transmits data.

5. The data processing device according to claim 3 , wherein a first data transmission start signal of the first MIS has a longer pulse width than data transmission start signals of the remaining MISs.

Assignees

• Lsis Co Ltd

Inventors

• Kim Eung Soo
• Kim Jong Bae
• Lee Seung Hun

Classifications

• H02J3/36 Primary

  Arrangements for transfer of electric power between AC networks via high-voltage DC [HVDC] links; Arrangements for transfer of electric power between generators and networks via HVDC links · CPC title

• H02J13/333

  the equipment forming part of substations · CPC title

• Y02E60/60

  Arrangements for transfer of electric power between AC networks or generators via a high voltage DC link [HVCD] · CPC title

• G08C19/02 Primary

  in which the signal transmitted is magnitude of current or voltage (G08C19/36, G08C19/38 take precedence) · CPC title

• H02J1/00

  Circuit arrangements for DC mains or DC distribution networks · CPC title