PL445606A1 - Short-circuit, overload and thermal protection system of an electronic transformer - Google Patents

Short-circuit, overload and thermal protection system of an electronic transformer

Info

Publication number
PL445606A1
PL445606A1 PL445606A PL44560623A PL445606A1 PL 445606 A1 PL445606 A1 PL 445606A1 PL 445606 A PL445606 A PL 445606A PL 44560623 A PL44560623 A PL 44560623A PL 445606 A1 PL445606 A1 PL 445606A1
Authority
PL
Poland
Prior art keywords
protection system
overload
thermal protection
electronic transformer
short
Prior art date
Application number
PL445606A
Other languages
Polish (pl)
Inventor
Arkadiusz Sobierajski
Original Assignee
Govena Lighting Spółka Akcyjna
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 Govena Lighting Spółka Akcyjna filed Critical Govena Lighting Spółka Akcyjna
Priority to PL445606A priority Critical patent/PL445606A1/en
Publication of PL445606A1 publication Critical patent/PL445606A1/en

Links

Classifications

    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/042—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using temperature dependent resistors
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H5/00—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection
    • H02H5/04—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature
    • H02H5/044—Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection responsive to abnormal temperature using a semiconductor device to sense the temperature
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02H—EMERGENCY PROTECTIVE CIRCUIT ARRANGEMENTS
    • H02H7/00—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions
    • H02H7/10—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers
    • H02H7/12—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers
    • H02H7/1216—Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions for converters; for rectifiers for static converters or rectifiers for AC-AC converters
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H—ELECTRICITY
    • H02—GENERATION; CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
    • H02M—APPARATUS FOR CONVERSION BETWEEN AC AND AC, BETWEEN AC AND DC, OR BETWEEN DC AND DC, AND FOR USE WITH MAINS OR SIMILAR POWER SUPPLY SYSTEMS; CONVERSION OF DC OR AC INPUT POWER INTO SURGE OUTPUT POWER; CONTROL OR REGULATION THEREOF
    • H02M1/00—Details of apparatus for conversion
    • H02M1/32—Means for protecting converters other than automatic disconnection
    • H02M1/327—Means for protecting converters other than automatic disconnection against abnormal temperatures
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
    • H—ELECTRICITY
    • H03—ELECTRONIC CIRCUITRY
    • H03K—PULSE TECHNIQUE
    • H03K17/00—Electronic switching or gating, i.e. not by contact-making and –breaking
    • H03K17/08—Modifications for protecting switching circuit against overcurrent or overvoltage
    • H03K17/081—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit
    • H03K17/0812—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit
    • H03K17/08126—Modifications for protecting switching circuit against overcurrent or overvoltage without feedback from the output circuit to the control circuit by measures taken in the control circuit in bipolar transitor switches

Landscapes

  • Engineering & Computer Science (AREA)
  • Power Engineering (AREA)
  • Dc-Dc Converters (AREA)
  • Protection Of Static Devices (AREA)

Abstract

Układ zabezpieczenia zwarciowego, przeciążeniowego i termicznego transformatora elektronicznego składający się z układu zabezpieczenia prądowego (UZP), układu detekcji temperatury (UDT), podłączonego do układu wyzwalania (UW), który uruchamia bądź blokuje pracę przetwornicy tranzystorowej półmostkowej zintegrowanej z transformatorem (UPT), charakteryzujący się tym, że termistor bloku detekcji temperatury (UDT) sprzężony jest termicznie w sposób bezpośredni z co najmniej jednym tranzystorem wykonawczym układu przetwornicy tranzystorowej (UPT).A short circuit, overload and thermal protection system for an electronic transformer, comprising a current protection system (UZP), a temperature detection system (UDT) connected to a trigger system (UW) which starts or blocks the operation of a half-bridge transistor converter integrated with the transformer (UPT), characterized in that the thermistor of the temperature detection block (UDT) is directly thermally coupled to at least one executive transistor of the transistor converter system (UPT).

PL445606A 2023-07-17 2023-07-17 Short-circuit, overload and thermal protection system of an electronic transformer PL445606A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL445606A PL445606A1 (en) 2023-07-17 2023-07-17 Short-circuit, overload and thermal protection system of an electronic transformer

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL445606A PL445606A1 (en) 2023-07-17 2023-07-17 Short-circuit, overload and thermal protection system of an electronic transformer

Publications (1)

Publication Number Publication Date
PL445606A1 true PL445606A1 (en) 2025-01-20

Family

ID=94258808

Family Applications (1)

Application Number Title Priority Date Filing Date
PL445606A PL445606A1 (en) 2023-07-17 2023-07-17 Short-circuit, overload and thermal protection system of an electronic transformer

Country Status (1)

Country Link
PL (1) PL445606A1 (en)

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000024105A1 (en) * 1998-10-22 2000-04-27 Tyco Electronics Corporation Circuit protection devices
PL398853A1 (en) * 2012-04-17 2013-10-28 Cet Spólka Z Ograniczona Odpowiedzialnoscia Method and system of overload and short-circuit protection of the electronic transformer

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2000024105A1 (en) * 1998-10-22 2000-04-27 Tyco Electronics Corporation Circuit protection devices
PL398853A1 (en) * 2012-04-17 2013-10-28 Cet Spólka Z Ograniczona Odpowiedzialnoscia Method and system of overload and short-circuit protection of the electronic transformer

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