GB1450419A - Detector for reverse and open phase in a three phase circuit - Google Patents

Detector for reverse and open phase in a three phase circuit

Info

Publication number
GB1450419A
GB1450419A GB4713173A GB4713173A GB1450419A GB 1450419 A GB1450419 A GB 1450419A GB 4713173 A GB4713173 A GB 4713173A GB 4713173 A GB4713173 A GB 4713173A GB 1450419 A GB1450419 A GB 1450419A
Authority
GB
United Kingdom
Prior art keywords
phase
voltage
transistor
current
providing
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.)
Expired
Application number
GB4713173A
Other languages
English (en)
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.)
General Electric Canada Co
Original Assignee
Canadian General Electric Co Ltd
General Electric Canada Co
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 Canadian General Electric Co Ltd, General Electric Canada Co filed Critical Canadian General Electric Co Ltd
Publication of GB1450419A publication Critical patent/GB1450419A/en
Expired legal-status Critical Current

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H11/00—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result
    • H02H11/004—Emergency protective circuit arrangements for preventing the switching-on in case an undesired electric working condition might result in case of incorrect phase sequence; with switching for obtaining correct phase sequence
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H3/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection
    • H02H3/12—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load
    • H02H3/13—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition with or without subsequent reconnection ; integrated protection responsive to underload or no-load for multiphase applications, e.g. phase interruption

Landscapes

  • Emergency Protection Circuit Devices (AREA)
  • Measurement Of Current Or Voltage (AREA)
GB4713173A 1972-10-11 1973-10-09 Detector for reverse and open phase in a three phase circuit Expired GB1450419A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CA153,622A CA960753A (en) 1972-10-11 1972-10-11 Detector for reverse and open phase in a three phase circuit

Publications (1)

Publication Number Publication Date
GB1450419A true GB1450419A (en) 1976-09-22

Family

ID=4094645

Family Applications (1)

Application Number Title Priority Date Filing Date
GB4713173A Expired GB1450419A (en) 1972-10-11 1973-10-09 Detector for reverse and open phase in a three phase circuit

Country Status (6)

Country Link
US (1) US3838314A (enExample)
JP (1) JPS4972643A (enExample)
CA (1) CA960753A (enExample)
DE (1) DE2351156A1 (enExample)
FR (1) FR2203193A1 (enExample)
GB (1) GB1450419A (enExample)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241617A (en) * 1990-02-23 1991-09-04 Toshiba Kk Air-conditioning apparatus having its compressor driven by a three-phase ac power supply.

Families Citing this family (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1570462A (en) * 1977-01-17 1980-07-02 Remington Products Electric dry shavers
US4346307A (en) * 1978-11-03 1982-08-24 S & C Electric Company Voltage-unbalance detector for polyphase electrical systems
US4470092A (en) * 1982-09-27 1984-09-04 Allen-Bradley Company Programmable motor protector
US4724503A (en) * 1985-03-01 1988-02-09 Square D Company Phase unbalance detector
JPH01262896A (ja) * 1988-04-13 1989-10-19 Sanyo Electric Co Ltd 衣類乾燥機
JPH02261015A (ja) * 1989-03-30 1990-10-23 Toshiba Corp 交流電気機器の逆相検出装置
US5059896A (en) * 1989-09-25 1991-10-22 General Electric Company Electronic watthour meter
ES2024931A6 (es) * 1990-10-29 1992-03-01 Iberduero Sa Senalizador automatico de paso de falta en lineas electricas.
US5796565A (en) * 1996-12-02 1998-08-18 Verkhovskiy; Yan Apparatus and method for starting and protecting a three-phase motor
US7293462B2 (en) * 2005-01-04 2007-11-13 General Electric Company Isolation of short-circuited sensor cells for high-reliability operation of sensor array
WO2015126412A1 (en) 2014-02-21 2015-08-27 Electric Power Research Institute, Inc. Method for detecting an open-phase condition of a transformer
CN117970166B (zh) * 2024-03-28 2024-07-05 国网山西省电力公司经济技术研究院 基于大数据的电源信息分析系统及方法

Family Cites Families (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3431467A (en) * 1966-11-23 1969-03-04 Westinghouse Electric Corp Miniature phase sequence sensing circuit
US3495130A (en) * 1968-02-12 1970-02-10 Us Navy Three-phase sequence and amplitude detection circuit
US3681636A (en) * 1969-08-14 1972-08-01 Westinghouse Electric Corp Phase sequence sensing circuit
US3633072A (en) * 1970-02-24 1972-01-04 Lawrence N Duncan Phase detection circuit
US3584259A (en) * 1970-03-02 1971-06-08 Gen Motors Corp Phase failure detection system
US3651393A (en) * 1971-04-21 1972-03-21 Lorain Prod Corp Current equalizing circuit

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241617A (en) * 1990-02-23 1991-09-04 Toshiba Kk Air-conditioning apparatus having its compressor driven by a three-phase ac power supply.
US5062278A (en) * 1990-02-23 1991-11-05 Kabushiki Kaisha Toshiba Air-conditioning apparatus including an indoor unit and an outdoor unit having its compressor driven by a three-phase AC power supply
GB2241617B (en) * 1990-02-23 1993-10-06 Toshiba Kk Air-conditioning apparatus including an indoor unit and an outdoor unit having its compressor driven by a three-phase ac power supply

Also Published As

Publication number Publication date
DE2351156A1 (de) 1974-04-18
CA960753A (en) 1975-01-07
JPS4972643A (enExample) 1974-07-13
US3838314A (en) 1974-09-24
FR2203193A1 (enExample) 1974-05-10

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees