[go: up one dir, main page]

GB2545177B - Automatic calibration of a DC current detecting circuit - Google Patents

Automatic calibration of a DC current detecting circuit

Info

Publication number
GB2545177B
GB2545177B GB1521506.4A GB201521506A GB2545177B GB 2545177 B GB2545177 B GB 2545177B GB 201521506 A GB201521506 A GB 201521506A GB 2545177 B GB2545177 B GB 2545177B
Authority
GB
United Kingdom
Prior art keywords
detecting circuit
current detecting
automatic calibration
calibration
automatic
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 - Fee Related
Application number
GB1521506.4A
Other versions
GB2545177A (en
GB201521506D0 (en
Inventor
Smith Lee
O'brien Donal
Ryan Enda
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.)
Shakira Ltd
Original Assignee
Shakira Ltd
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 Shakira Ltd filed Critical Shakira Ltd
Priority to GB1521506.4A priority Critical patent/GB2545177B/en
Publication of GB201521506D0 publication Critical patent/GB201521506D0/en
Publication of GB2545177A publication Critical patent/GB2545177A/en
Application granted granted Critical
Publication of GB2545177B publication Critical patent/GB2545177B/en
Expired - Fee Related legal-status Critical Current
Anticipated expiration legal-status Critical

Links

Classifications

    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/334—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control
    • H02H3/335—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means to produce an artificial imbalance for other protection or monitoring reasons or remote control the main function being self testing of the device
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R15/00—Details of measuring arrangements of the types provided for in groups G01R17/00 - G01R29/00, G01R33/00 - G01R33/26 or G01R35/00
    • G01R15/14—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks
    • G01R15/18—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers
    • G01R15/183—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core
    • G01R15/185—Adaptations providing voltage or current isolation, e.g. for high-voltage or high-current networks using inductive devices, e.g. transformers using transformers with a magnetic core with compensation or feedback windings or interacting coils, e.g. 0-flux sensors
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R35/00—Testing or calibrating of apparatus covered by the other groups of this subclass
    • G01R35/005—Calibrating; Standards or reference devices, e.g. voltage or resistance standards, "golden" references
    • 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
    • H02H3/26—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents
    • H02H3/32—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors
    • H02H3/33—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers
    • H02H3/332—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 difference between voltages or between currents; responsive to phase angle between voltages or between currents involving comparison of the voltage or current values at corresponding points in different conductors of a single system, e.g. of currents in go and return conductors using summation current transformers with means responsive to DC component in the fault current

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Measuring Instrument Details And Bridges, And Automatic Balancing Devices (AREA)
GB1521506.4A 2015-12-07 2015-12-07 Automatic calibration of a DC current detecting circuit Expired - Fee Related GB2545177B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1521506.4A GB2545177B (en) 2015-12-07 2015-12-07 Automatic calibration of a DC current detecting circuit

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1521506.4A GB2545177B (en) 2015-12-07 2015-12-07 Automatic calibration of a DC current detecting circuit

Publications (3)

Publication Number Publication Date
GB201521506D0 GB201521506D0 (en) 2016-01-20
GB2545177A GB2545177A (en) 2017-06-14
GB2545177B true GB2545177B (en) 2018-11-21

Family

ID=55234487

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1521506.4A Expired - Fee Related GB2545177B (en) 2015-12-07 2015-12-07 Automatic calibration of a DC current detecting circuit

Country Status (1)

Country Link
GB (1) GB2545177B (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN110780250B (en) * 2019-09-30 2021-11-09 国创移动能源创新中心(江苏)有限公司 Automatic calibration system and method for residual current detection

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280162A (en) * 1977-08-04 1981-07-21 North American Philips Corporation Ground fault circuit interrupter
EP2977776A1 (en) * 2014-07-21 2016-01-27 TE Connectivity Germany GmbH Method and device for detecting a residual current in a charging cable and charging cable using said device

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4280162A (en) * 1977-08-04 1981-07-21 North American Philips Corporation Ground fault circuit interrupter
EP2977776A1 (en) * 2014-07-21 2016-01-27 TE Connectivity Germany GmbH Method and device for detecting a residual current in a charging cable and charging cable using said device

Also Published As

Publication number Publication date
GB2545177A (en) 2017-06-14
GB201521506D0 (en) 2016-01-20

Similar Documents

Publication Publication Date Title
TWI562634B (en) Multi-target camera calibration
GB201508565D0 (en) Detecting camera conditions
HK1232377A1 (en) A zero-crossing detection circuit for a dimmer circuit
HUE050668T2 (en) Temperature correction for current measuring via shunt
SG10201606968PA (en) Eddy current sensor
EP3406011C0 (en) Circuit for breaking alternating current
HUE055398T2 (en) Voltage converter comprising an isolated dc/dc converter circuit
ZA201805458B (en) Circuit for detecting light pulses
EP3282263A4 (en) Current detection device
IL247434B (en) Ablation current measurement
GB201417993D0 (en) A current measurement circuit
EP3484033C0 (en) Current measurement circuit
GB2530494B (en) An undervoltage-lockout circuit
GB201513698D0 (en) Object detection
EP3364197A4 (en) Current detection device
PL3312112T3 (en) An automatic feeder
PL3368912T3 (en) Electrical measurement devices
GB201405014D0 (en) Combined current sensor
GB2545177B (en) Automatic calibration of a DC current detecting circuit
HUE048429T2 (en) Pre-regulator for detecting connection state dimmer
GB2537692B (en) Detection circuit for detecting a supply voltage
GB201518771D0 (en) Discrete under voltage/over voltage monitoring circuit
GB201417622D0 (en) Ring circuit continuity tester
GB2572279B (en) Detecting faults
GB2534334B (en) Determining a representation of an electrical signal

Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20191207