EP4250320A4 - SYMMETRICAL VACUUM BUBBLE LOAD COMPENSATION TRANSITION CIRCUIT AND CONTROL METHODS - Google Patents

SYMMETRICAL VACUUM BUBBLE LOAD COMPENSATION TRANSITION CIRCUIT AND CONTROL METHODS Download PDF

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Publication number
EP4250320A4
EP4250320A4 EP20962193.7A EP20962193A EP4250320A4 EP 4250320 A4 EP4250320 A4 EP 4250320A4 EP 20962193 A EP20962193 A EP 20962193A EP 4250320 A4 EP4250320 A4 EP 4250320A4
Authority
EP
European Patent Office
Prior art keywords
control methods
load compensation
transition circuit
vacuum bubble
compensation transition
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
EP20962193.7A
Other languages
German (de)
French (fr)
Other versions
EP4250320A1 (en
Inventor
Shuqi Zhang
Peng Li
Jinzhong Li
Ke Wang
Fan Yang
Geqi LI
Hao Zhang
Gang Li
Xueli Liu
Jiantao Sun
Huanchao CHENG
Zhengyu XU
Jianyi Wang
Xinru YU
Ningchuan LIANG
Biao Wu
Xining LI
Lin Wang
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
China Electric Power Research Institute Co Ltd CEPRI
State Grid Corp of China SGCC
Original Assignee
China Electric Power Research Institute Co Ltd CEPRI
State Grid Corp of China SGCC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by China Electric Power Research Institute Co Ltd CEPRI, State Grid Corp of China SGCC filed Critical China Electric Power Research Institute Co Ltd CEPRI
Publication of EP4250320A1 publication Critical patent/EP4250320A1/en
Publication of EP4250320A4 publication Critical patent/EP4250320A4/en
Pending legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01F—MAGNETS; INDUCTANCES; TRANSFORMERS; SELECTION OF MATERIALS FOR THEIR MAGNETIC PROPERTIES
    • H01F29/00—Variable transformers or inductances not covered by group H01F21/00
    • H01F29/02—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings
    • H01F29/04—Variable transformers or inductances not covered by group H01F21/00 with tappings on coil or winding; with provision for rearrangement or interconnection of windings having provision for tap-changing without interrupting the load current
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H9/00—Details of switching devices, not covered by groups H01H1/00 - H01H7/00
    • H01H9/0005—Tap change devices
    • H01H9/0038—Tap change devices making use of vacuum switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • High-Tension Arc-Extinguishing Switches Without Spraying Means (AREA)
EP20962193.7A 2020-11-18 2020-11-30 SYMMETRICAL VACUUM BUBBLE LOAD COMPENSATION TRANSITION CIRCUIT AND CONTROL METHODS Pending EP4250320A4 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN202011295536.2A CN112670067B (en) 2020-11-18 2020-11-18 Symmetrical vacuum bubble load balancing transition circuit device and control method
PCT/CN2020/132693 WO2022104902A1 (en) 2020-11-18 2020-11-30 Symmetrical vacuum bubble load-balancing transition circuit apparatus, and control method

Publications (2)

Publication Number Publication Date
EP4250320A1 EP4250320A1 (en) 2023-09-27
EP4250320A4 true EP4250320A4 (en) 2024-10-16

Family

ID=75402976

Family Applications (1)

Application Number Title Priority Date Filing Date
EP20962193.7A Pending EP4250320A4 (en) 2020-11-18 2020-11-30 SYMMETRICAL VACUUM BUBBLE LOAD COMPENSATION TRANSITION CIRCUIT AND CONTROL METHODS

Country Status (3)

Country Link
EP (1) EP4250320A4 (en)
CN (1) CN112670067B (en)
WO (1) WO2022104902A1 (en)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114883121B (en) * 2021-08-09 2024-10-01 中国电力科学研究院有限公司 Symmetrical double vacuum bubble transition circuit for vacuum on-load tap changer
CN113889329B (en) * 2021-09-26 2023-12-15 上海华明电力设备制造有限公司 On-load tap changer switching method, circuit and device
CN113851314B (en) * 2021-09-28 2025-02-28 西安交通大学 A single-resistance symmetrical transition circuit and voltage regulation method for an on-load tap changer
CN114093594A (en) * 2021-12-01 2022-02-25 中国电力科学研究院有限公司 Transition circuit of on-load tap-changer and control method
CN115938766A (en) * 2022-12-15 2023-04-07 西安交通大学 A three-vacuum-tube transition circuit and voltage regulation method for a converter transformer on-load tap-changer

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011160743A1 (en) * 2010-06-22 2011-12-29 Maschinenfabrik Reinhausen Gmbh Tap changer
CN111799076A (en) * 2020-06-24 2020-10-20 中国电力科学研究院有限公司 A kind of vacuum on-load tap-changer single-resistance alternating transition circuit and voltage regulation method
CN111799075A (en) * 2020-06-24 2020-10-20 中国电力科学研究院有限公司 A kind of vacuum on-load tap changer double resistance transition circuit and voltage regulation method

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPH08339926A (en) * 1995-06-12 1996-12-24 Toshiba Corp Load tap changer
CN201359913Y (en) * 2009-03-04 2009-12-09 上海华明电力设备制造有限公司 On-load tap switch with phase-controlled permanent magnet mechanism
DE102010019949A1 (en) * 2010-05-08 2011-11-10 Maschinenfabrik Reinhausen Gmbh OLTC
CN202183304U (en) * 2011-03-11 2012-04-04 上海华齐电力设备制造有限公司 Switching mechanism of vacuum on-load tap changing switch
CN202178175U (en) * 2011-06-15 2012-03-28 上海华明电力设备集团有限公司 Vacuum on-load tap-changer double-vacuum-tube transition circuit
CN105580100B (en) * 2013-08-27 2017-12-12 赖茵豪森机械制造公司 Load ratio bridging switch, the adjustable variable-pressure device for voltage-regulation and the method for implementing conversion in adjustable variable-pressure device
CN104465168A (en) * 2014-12-12 2015-03-25 国家电网公司 Transition circuit of vacuum type on-load tap-changer and operation method
ES2734601B2 (en) * 2018-06-06 2020-07-08 Univ Sevilla STATIC CHANGING DEVICE FOR CHARGING INPUTS FOR TRANSFORMERS WITH DISCONTINUOUS REGULATION WINDINGS
CN110768212B (en) * 2019-10-25 2021-09-03 南方电网科学研究院有限责任公司 Transformer internal short-circuit fault protection device and control method thereof

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2011160743A1 (en) * 2010-06-22 2011-12-29 Maschinenfabrik Reinhausen Gmbh Tap changer
CN111799076A (en) * 2020-06-24 2020-10-20 中国电力科学研究院有限公司 A kind of vacuum on-load tap-changer single-resistance alternating transition circuit and voltage regulation method
CN111799075A (en) * 2020-06-24 2020-10-20 中国电力科学研究院有限公司 A kind of vacuum on-load tap changer double resistance transition circuit and voltage regulation method

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
See also references of WO2022104902A1 *

Also Published As

Publication number Publication date
EP4250320A1 (en) 2023-09-27
CN112670067B (en) 2022-07-01
WO2022104902A1 (en) 2022-05-27
CN112670067A (en) 2021-04-16

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