WO2021228388A1 - Interface à ergonomie améliorée destinée à un test de disjoncteur moyenne tension - Google Patents

Interface à ergonomie améliorée destinée à un test de disjoncteur moyenne tension Download PDF

Info

Publication number
WO2021228388A1
WO2021228388A1 PCT/EP2020/063374 EP2020063374W WO2021228388A1 WO 2021228388 A1 WO2021228388 A1 WO 2021228388A1 EP 2020063374 W EP2020063374 W EP 2020063374W WO 2021228388 A1 WO2021228388 A1 WO 2021228388A1
Authority
WO
WIPO (PCT)
Prior art keywords
coil
connection port
closing
breaker
line end
Prior art date
Application number
PCT/EP2020/063374
Other languages
English (en)
Inventor
Hasan BASBAYANDUR
Selcuk GENCER
Ersin MOLLAOGLU
Gökhan KURU
Original Assignee
Enerjisa Enerji Uretim A.S.
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 Enerjisa Enerji Uretim A.S. filed Critical Enerjisa Enerji Uretim A.S.
Priority to PCT/EP2020/063374 priority Critical patent/WO2021228388A1/fr
Publication of WO2021228388A1 publication Critical patent/WO2021228388A1/fr

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/327—Testing of circuit interrupters, switches or circuit-breakers
    • G01R31/3271—Testing of circuit interrupters, switches or circuit-breakers of high voltage or medium voltage devices
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/02—General constructional details
    • G01R1/04—Housings; Supporting members; Arrangements of terminals
    • G01R1/0408—Test fixtures or contact fields; Connectors or connecting adaptors; Test clips; Test sockets

Definitions

  • the present invention relates to medium voltage circuit breaker testing systems.
  • the present invention relates to an apparatus as an ergonomically enhanced interface to be used in such tests.
  • Medium-voltage circuit breakers are subjected to routine on-line tests under periodical maintenance measures.
  • the procedure of medium-voltage circuit breaker testing includes well-known measurements for test values including "opening-time measurement”, “closing-time measurement” and “contact resistance measurement” (or contact transition resistance measurement) of circuit breaker (hereinafter abbreviated as "breaker”).
  • breaker circuit breaker
  • the breaker is to be properly brought in electrical communication with a respective medium-voltage cubicle (a.k.a. mid-voltage cubicle, or medium-voltage switch gear cubicle, hereinafter abbreviated as "cubicle”).
  • cubicle medium-voltage cubicle
  • several electrical communication line ends of the breaker are to be removably brought into contact with respective electrical communication line ends of the cubicle.
  • Said line ends commonly include those designated to "auxiliary supply”, “breaker trip”, “breaker is on”, “neutral”, and in the case where the breaker is vacuum- type instead of contactor-type, "motor charging (breaker motor supply, or circuit breaker spring charging motor supply)".
  • the breaker is assumed to be of "vacuum-type", but the teaching can be adapted to other types of mid-voltage circuit breakers, mutatis mutandis.
  • a breaker has a matrix of multiple line ends such as male pins or female pin plugs arranged in the form of a pin plug socket connector; usually male pins.
  • Correct breaker line ends to be used in performing each of the above-mentioned measurements are to be first checked from connection diagrams obtained from a respective breaker manufacturer. Said line ends of the breaker should be then connected to respective line ends of the cubicle. This is a highly demanding procedure, and errors in selecting correct line ends may cause serious damage.
  • the connections are established using e.g. alligator clips and banana connectors, sizes of which are known to be much greater than said multiple line ends in the form of pins.
  • a clip may contact to a non-designated pin, which would result in damages related to formation of a short circuit.
  • the clips used in connections are geometrically different from pins, which results in unstable connections, i.e. the clips can release respective designated pins before the measurement is finished.
  • some of said connections also include formation of bridges between each other, a multiplicity of cables with such connectors are generally to be employed.
  • testing device (40) can be commercially obtained (such as that under brand name "CIBANO 500" supplied by Omicron, available in the market as of 2020).
  • the above-mentioned line ends of the cubicle and respective line ends of a testing device (40), are to be connected to each other, over suitable terminals on the cubicle upon selection from the project drawings.
  • the system can go offline which is undesirable.
  • the breaker (50) Upon connecting the correct line ends, the breaker (50) is brought out from its respective cubicle, and to this end, its plug (usually a male connector plug which includes a matrix of multiple pins) is to be disconnected from the cubicle.
  • the breaker (50) is then turned around to expose the "primary disconnects" (80) (a.k.a. primary contacts) of the breaker (50); for enabling establishment of well-known necessary electrical connections thereover to the testing device (40), and necessary bridgings.
  • the plug of the breaker (50) should be re-connected to the cubicle; but the cable organizer of the plug is usually short and it is highly difficult to establish engagement between the plug and the cubicle.
  • said first way is ergonomically disadvantageous and requires high extent of labor and attention.
  • Fig.1(a) to Fig.1(e) show schematics visualising exemplary connections related to opening/closing time in the first way of testing.
  • suitable line ends of the breaker (50) to be connected with respective terminals on the cubicle are to be selected by looking up from the project drawings; said line ends and (+) and (-) ends of respective terminals being designated for test objects including "closing coil” (MC), “opening coil” (M01), “closing release coil” (RL1) and if the breaker is of vacuum type, "motor charging” (M).
  • Each of the terminals include at least two cables at both sides thereof, which can be considered as for establishing internal cabling for terminal input/output.
  • the internal cabling connections to closing coil, opening coil, motor charging and closing release coil from said terminals are to be determined.
  • cables for respective terminals are unplugged one by one; and one by one measurements should be performed to confirm whether the respective cables are in fact designated to closing coil, opening coil, motor charging and closing release coil.
  • all of the cables other than those which are designated as explained above are to be unplugged/disconnected from the cubicle.
  • One by one measurements are to be performed to confirm that said disconnected cables are no more energized; and referring to the project, the non-disconnected cables are to be safely de energized.
  • a commonly used second way of breaker (50) testing is performed when the breaker (50) is remote/disconnected from the respective cubicle.
  • the breaker (50) is moved rather away from the cubicle and thereby tested "remotely".
  • the terms "remote” and “remotely” correspond to that the breaker (50) is disconnected from a respective cubicle, thus the test can be considered to be performed "off-line”.
  • Fig.2(a) to Fig.2(e) show schematics visualizing exemplary connections related to opening/closing time in the second way of testing.
  • suitable line ends of the breaker (50) to be connected with respective terminals on the cubicle are to be selected by looking up from the project drawings; said line ends and (+) and (-) ends of respective terminals being designated for test objects including "closing coil”, “opening coil”, “motor charging” and "closing release coil”.
  • Line ends referred to as Al, A2, A3 and AN from the testing device (40) are to be connected to respective line ends of the breaker (50).
  • Line ends referred to as Bl, B2, B3, B4 and BN of the testing device (40) are connected to respective line ends of the breaker (50) (said line ends usually being in the form of pins on the plug connector thereof), which are respectively designated to closing coil, opening coil, motor charging and closing release coil.
  • the (+) and (-) line ends of the closing coil respectively correspond to e.g.
  • Fig.1(e) and Fig.2(e) schematically show exemplary connections between line ends on a testing device (40) and a breaker (50), applicable to prior art methods named above as “first way” and "second way”, respectively.
  • the present invention proposes an interface to be used in medium voltage circuit breaker testing, arranged to provide electrical communication between such breaker and a respective testing device; comprising the following: a first "closing coil” connection port, a first “opening coil” connection port, and a first “closing release coil” connection port each for receiving means for electrical communication with respective "closing coil” line end, "opening coil” line end and “closing release coil” line end on the breaker; and a second "closing coil” connection port in electrical communication with the first "closing coil” connection port, a second “opening coil” connection port in electrical communication with the first "opening coil” connection port, and a second "closing release coil” connection port in electrical communication with the first "closing release coil” connection port; each for being brought into electrical communication with respective "closing coil” line end, "opening coil” line end and “closing release coil” line end of a testing device.
  • the primary object of the present invention is to overcome the drawbacks outlined above.
  • Another object of the present invention is to propose an interface for facilitating the testing of medium voltage circuit breakers.
  • Another object of the present invention is to propose an interface for enhancing the labor safety in testing of medium voltage circuit breakers.
  • a further object of the present invention is to propose a simple, reliable and low-cost interface for shortening the duration and minimizing the labor costs and potential damages related to medium voltage circuit breakers testing.
  • Fig.l shows a schematic view of an exemplary connections around (a) closing release coil, (b) closing coil, (c) closing coil, and (d) motor charging, established in the first way of breaker testing.
  • Fig.1(e) shows schematic view of connections between the testing device and primary connects on the breaker at such first way of testing.
  • Fig.2 shows a schematic view of an exemplary connections around (a) closing release coil, (b) closing coil, (c) closing coil, and (d) motor charging, established in the second way of breaker testing.
  • Fig.2(e) shows schematic view of connections between the testing device and primary connects on the breaker at such second way of testing.
  • Fig.3 (a) schematically shows connections between an interface according to the present invention, a testing device, and a breaker.
  • Fig.3(b) shows an exemplary, preferred embodiment of the interface according to the present invention. Optional features are shown using reference numerals in parantheses.
  • the present invention relates to a way of breaker testing, which includes testing a breaker when the same is remote from a respective cubicle. Accordingly, the present invention proposes an ergonomically enhanced apparatus in the form of an interface (100) to be used in medium voltage circuit breaker (50) testing.
  • the interface (100) is to be considered as a physical entity, which may be e.g. in the form of a panel.
  • the interface (100) is arranged to provide electrical communication between a breaker (50) and a respective testing device (40).
  • the interface (100) enables a new way of breaker (50) testing over itself, and said new way includes testing the breaker (50) when the same is remote from a respective cubicle.
  • the interface (100) is to be employed between a breaker (50) (i.e. medium-voltage circuit breaker) and a testing device (40).
  • the interface (100) comprises the following: a first "closing coil” connection port (1) (or a set thereof), a first “opening coil” connection port (2) (or a set thereof), and a first “closing release coil” connection port (3) (or a set thereof) each for receiving means for electrical communication with respective "closing coil” line end (51) (or a set thereof), “opening coil” line end (52) (or a set thereof) and "closing release coil” line end
  • a breaker 50
  • a second "closing coil” connection port (11) or a set thereof in electrical communication with the first "closing coil” connection port (1) (or said set thereof), a second "opening coil” connection port (12) (or a set thereof) in electrical communication with the first "opening coil” connection port (2) (or said set thereof), and a second "closing release coil” connection port (13) (or a set thereof) in electrical communication with the first "closing release coil” connection port (3) (or said set thereof); each for being brought into electrical communication with respective "closing coil” line end (41), "opening coil” line end (42) and “closing release coil” line end (43) of a testing device (40) (i.e. medium voltage circuit breaker testing device).
  • a testing device 40
  • the interface (100) can further include: a first "motor charging” connection port (5) (or a set thereof) for receiving means for electrical communication with a respective "motor charging” line end (55) on such breaker (50), and a second "motor charging” connection port (15) (or a set thereof) in electrical communication with the first "motor charging” connection port (5) (or said set thereof), for receiving means for electrical communication with a respective "motor charging” line end (45) on such testing device (40).
  • each "set" of connection ports corresponds to respective (+) and (-) line ends to enabling the performance of a respective step of the breaker test procedure.
  • a set of first "closing coil” connection port (1) refers to (+) and (-) line ends for being electrically matched with a set of “closing coil” line ends (51) of a respective breaker (50).
  • a set of second “closing coil” connection port (11) refers to (+) and (-) line ends for being electrically matched with a “closing coil” line end (41) of a testing device (40).
  • the interface (100) eliminates the complexity at preparing and ending the testing procedure, and provides a simple interface (100) on which the connection ports can be labelled. Thus, the required preparation and finishing times, and the probability of labor errors and damages is lowered.
  • the first "closing coil” connection port (1), the first “opening coil” connection port (2), the first “closing release coil” connection port (3) and where applicable, the first "motor charging” connection port (5) can be arranged to have a distance with each other, said distance being 1 cm or higher, preferably 2 cm or higher.
  • This embodiment enhances the spaciousness between said ports, thereby further facilitates the establishment of connections of the interface (100) with the breaker (50). Thus, the preparation and finishing times, and the probability of labor errors and damages are further lowered.
  • the first "closing coil” connection port (1), the first “opening coil” connection port (2), the first “closing release coil” connection port (3) and where applicable, the first “motor charging” connection port (5) can be disposed as a matrix of line ends on a pin plug socket connector.
  • Said pin plug socket connector can be female for being engaged with a respective pin plug socket connector which can include respective "closing coil” line end (51), “opening coil” line end (52) and “closing release coil” line end (53) and where applicable, "motor charging” line end (55) of a breaker (50).
  • This embodiment provides the chance of preparation of the interface (100) beforehand in accordance with a designated breaker (50) model, such that the first "closing coil” connection port (1), the first “opening coil” connection port (2), the first closing release coil” connection port and where applicable, the first “motor charging” connection port can be arranged in accordance with the arrangement of respective line ends on a pin plug socket connector of a certain type of breaker (50). All of the first "closing coil” connection port (1), the first "opening coil” connection port (2), the first “closing release coil” connection port (3) and where applicable, the first "motor charging” connection port can be thus instantly connected and deliberately disconnected with respective line ends of such breaker (50) at once, without leaving any possibility to labor errors.
  • this embodiment provides labor safety, labor time economy, along with full elimination of potential damages.
  • any of the above mentioned embodiments can further include a first visual indicator (71), a second visual indicator (72), a third visual indicator (73) and where applicable a fourth visual indicator (74), which are respectively arranged to indicate working status of first "closing coil” connection port (1), the first "opening coil” connection port (2), the first “closing release coil” connection port (3) and where applicable, the first "motor charging” connection port (5).
  • This facilitates the visual tracking of the testing process, along with visual tracking of "health status" of the interface (100). For instance, in the case where a connection between one of said first connection ports and a respective second connection port is lost, this can be easily detected whilst testing of a breaker (50) without confusion.
  • One or more of the visual indicators (71-74) can be in the form of lamps, for instance LEDs.
  • the interface (100) can be preferably arranged on a panel board, thereby providing an enhanced stability when in use.
  • Such interface (100), in particular which is provided with said visual indicators (71-74), can be preferably arranged such that the panel board substantially defines a surface parallel to the gravity vector when in use; thereby facilitating visual tracking of the working status and health status of the interface (100) in operation.
  • the interface (100) can be provided with a plurality of wheels (not shown), thereby facilitating its transfer for successively testing of multiple breakers (50).
  • Fig.3(a) and Fig.3(b) show schematics for visualizing exemplary connections related to opening/closing time in the new way of testing.
  • Fig.3(a) schematically shows exemplary connections between line ends on a testing device (40) and a breaker (50), over the interface (100).
  • Fig.3(b) shows an exemplary, preferred embodiment of the interface (100) according to the present invention, which includes a first part (101) arranged to match with a pin plug socket connector of a breaker (50), and a second part (102) arranged to be matched with respective line ends of a testing device (40).
  • Fig.3(b) only exemplary electrical connections between a set of first "closing coil” connection ports (1) on a first part (101) and a set of second "closing coil” connection ports (11) on a second part (102) are shown, for reducing the complexity level of the drawing.
  • the interface (100) is shown to be provided on a panel board as preferred, and further preferably includes a plurality of visual indicators (71-74) as discussed above. Preferred existence of wheels are not shown, yet the enablement thereof is evident to a skilled person.
  • the first part (101) includes the first "closing coil” connection port (1), a first set of “opening coil” connection ports (2), and a first set of “closing release coil” connection ports (3) each for being brought into electrical communication with respective sets of “closing coil” line ends (51), “opening coil” line ends (52) and “closing release coil” line ends (53) on a breaker (50).
  • the interface (100) is adapted to be also used with vacuum contact breakers, therefore it is shown to include a first set of “motor charging” connection ports (5) for being brought into electrical communication with respective set of “motor charging” line ends (55) of such breaker (50); and a second set of “motor charging” connection ports (15) for being brought into electrical communication with a “motor charging” line end (45) of a testing device (40).
  • breaker-side line ends related to breaker test i.e. "closing coil” line end (51), “opening coil” line end (52) and “closing release coil” line end (53) of a certain, respective breaker (50)
  • the "closing coil” line end (51), “opening coil” line end (52) and “closing release coil” line end (53) can correspond to respective (+) and (-) ends (and “motor charging” line end (55) in the case where the breaker (50) is e.g. vacuum type instead of contactor type).
  • Said breaker-side line ends can be already provided in the form of a matrix of male pins on a pin plug socket connector, along with a plurality of other pins which are irrelevant to the test; and corresponding line ends (1, 2, 3 and optionally 5) on the interface (100) can be arranged accordingly, as basically schematized in Fig.3(b).
  • (+) and (-) ends of "closing coil” can be connected to related line ends of the breaker (50) (which can be determined as e.g. 4 th and 14 th pins of a matrix of pins on a pin plug socket connector of a certain model breaker, upon looking-up from project drawings supplied by its manufacturer); and related connections of a set of respective first "closing coil” connection ports (1) provided on the interface (100) is established accordingly.
  • a further line end (an "earth current transformer” line end indicated as BN) of the testing device (40) can be brought into electrical communication with (-) line ends of said second "closing coil” connection port (11), second “opening coil” connection port (12), second “closing release coil” connection port (13) and where applicable, second "motor charging” connection port (15) of the interface (100).
  • the interface (100) can further include a parallel circuit directed to one or more visual indicators (71-74) in electrical communication with said line ends of second "closing coil” connection port (11), second "opening coil” connection port (12), second “closing release coil” connection port (13) and where applicable, second "motor charging” connection port (15); arranged for energizing respective visual indicators when a command (related to respective steps of the test procedure) is directed to any of said line ends by the testing device (40).
  • Respective electrical communications between the first "closing coil” connection port (1), the first “opening coil” connection port (2), the first “closing release coil” connection port (3) and where applicable, the first "motor charging” connection port (5) can be provided on a matrix of line ends, in the form of a pin plug socket connector as described above (e.g. female, arranged on a first part (101)), arranged to match with a respective pin plug socket connector (e.g. male) of the breaker (50) to be subjected to tests.
  • the interface (100) can include a first part (101) arranged to match with a pin plug socket connector of a breaker (50).
  • said establishment can be easily and instantly performed by engaging the first part (101) with a respective pin plug socket connector of the breaker (50) to be subjected to tests. Since the matrix designs and line end distribution in pin plug socket connectors of various breaker models can vary, pin connections on a first part (101) can be adapted/revised in accordance with different breaker models. Upon learning the gist of the present innovation and looking-up from project drawings of a target breaker, such adaptation/revision is very easy for a person skilled in the field of electrical engineering.
  • the interface (100) includes a first "motor charging” connection port (5) and a second "motor charging” connection port (15) as mentioned above, and if the breaker (50) to be tested is of contactor type (i.e. which does not include “motor charging” function), electrical communication between "earth current transformer” line end (which can be indicated as BN) and "closing coil” line end (41) (which can be indicated as Bl) on the testing device (40) can be disabled, e.g. over a test software provided by a respective testing device manufacturer.
  • A1 an input/output on a test device
  • XB/20 a closing release coil related second (negative) line end on a breaker, in a set of "closing release coil” line ends XX/231 (-) a closing release coil related second (negative) line end of a cubicle MC closing coil
  • XB/4 a closing coil related first (positive) line end on a breaker, in a set of "closing coil” line ends XX/253 (+) a closing coil related first (positive) line end of a cubicle
  • XB/14 a closing coil related second (negative) line end on a breaker, in a set of "closing coil” line ends
  • XB/31 an opening coil related first (positive) line end on a breaker, in a set of "opening coil” line ends
  • XB/30 an opening coil related second (negative) line end on a breaker, in a set of "opening coil” line ends
  • XB/25 a motor charging related first (positive) line end on a breaker, in a set of "motor charging" line ends
  • XB/35 a motor charging related second (negative) line end on a breaker, in a set of "motor charging" line ends

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Testing Electric Properties And Detecting Electric Faults (AREA)

Abstract

La présente invention concerne une interface (100) destinée à être utilisée dans un test de disjoncteur moyenne tension, conçue pour fournir une communication électrique entre ledit disjoncteur (50) et un dispositif de test (40) respectif, comprenant : un premier port de connexion de "bobine de fermeture" (1), un premier port de connexion de "bobine d'ouverture" (2) et un premier port de connexion de "bobine de libération de fermeture" (3) permettant chacun de recevoir un moyen de communication électrique avec une extrémité de ligne de "bobine de fermeture" (51), une extrémité de ligne de "bobine d'ouverture" (52) et une extrémité de ligne de "bobine de libération de fermeture" (53) respectives sur le disjoncteur (50) ; et un second port de connexion de "bobine de fermeture" (11) en communication électrique avec le premier port de connexion de "bobine de fermeture" (1), un second port de connexion de "bobine d'ouverture" (12) en communication électrique avec le premier port de connexion de "bobine d'ouverture" (2), et un second port de connexion de "bobine de libération de fermeture" (13) en communication électrique avec le premier port de connexion de "bobine de libération de fermeture" (3) ; chacun permettant d'être mis en communication électrique avec une extrémité de ligne de "bobine de fermeture" (41), une extrémité de ligne de "bobine d'ouverture" (42) et une extrémité de ligne de "bobine de libération de fermeture" (43) respectives d'un dispositif de test (40).
PCT/EP2020/063374 2020-05-13 2020-05-13 Interface à ergonomie améliorée destinée à un test de disjoncteur moyenne tension WO2021228388A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/EP2020/063374 WO2021228388A1 (fr) 2020-05-13 2020-05-13 Interface à ergonomie améliorée destinée à un test de disjoncteur moyenne tension

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/EP2020/063374 WO2021228388A1 (fr) 2020-05-13 2020-05-13 Interface à ergonomie améliorée destinée à un test de disjoncteur moyenne tension

Publications (1)

Publication Number Publication Date
WO2021228388A1 true WO2021228388A1 (fr) 2021-11-18

Family

ID=70977928

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/EP2020/063374 WO2021228388A1 (fr) 2020-05-13 2020-05-13 Interface à ergonomie améliorée destinée à un test de disjoncteur moyenne tension

Country Status (1)

Country Link
WO (1) WO2021228388A1 (fr)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117330951A (zh) * 2023-11-16 2024-01-02 华羿微电子股份有限公司 一种mos开关器件的soa测试系统及测试方法

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3053132A1 (fr) * 2016-06-27 2017-12-29 Schneider Electric Ind Sas Systeme de surveillance d'un reseau electrique
EP3291383A1 (fr) * 2016-09-01 2018-03-07 STAHL GmbH Dispositif de commutation permettant la mise en contact d'un module électrique
CN207164167U (zh) * 2017-08-30 2018-03-30 山东北开电气有限公司 断路器检测装置和断路器转运检修车

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR3053132A1 (fr) * 2016-06-27 2017-12-29 Schneider Electric Ind Sas Systeme de surveillance d'un reseau electrique
EP3291383A1 (fr) * 2016-09-01 2018-03-07 STAHL GmbH Dispositif de commutation permettant la mise en contact d'un module électrique
CN207164167U (zh) * 2017-08-30 2018-03-30 山东北开电气有限公司 断路器检测装置和断路器转运检修车

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
USER MANUAL: "CIBANO 500 PTM", 31 December 2019 (2019-12-31), pages 1 - 316, XP055771506, Retrieved from the Internet <URL:www.omicronenergy.com/support> [retrieved on 20210202] *

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN117330951A (zh) * 2023-11-16 2024-01-02 华羿微电子股份有限公司 一种mos开关器件的soa测试系统及测试方法
CN117330951B (zh) * 2023-11-16 2024-03-22 华羿微电子股份有限公司 一种mos开关器件的soa测试系统及测试方法

Similar Documents

Publication Publication Date Title
JP2016201793A (ja) 危険領域において単極セットを使用してフィールドバス通信と電力を携帯メンテナンスツールから送信する方法、電気コネクタ組立体、可搬装置組立体、二極プラグ
US4053724A (en) Panel and plural module assembly having mechanical keying and modular plug structure to activate/deactivate automatically bridged load carrying circuits
CN107907779B (zh) 轨道车辆用手持式线缆导通测试装置、系统及测试方法
CN111123160B (zh) 用于开关柜机构二次回路的故障定位方法及装置
US7030624B1 (en) Electrical circuit tester
CN107544001B (zh) 航天器热试验电缆用的绝缘测试设备
CN108152650A (zh) 多芯电缆自动查线系统
WO2021228388A1 (fr) Interface à ergonomie améliorée destinée à un test de disjoncteur moyenne tension
CN108732457B (zh) 一种小卫星便携式供配电设备电缆连接状态的检测方法
CN112083309A (zh) 一种记忆板件智能测试系统及方法
CN112428824A (zh) 高压互锁检测电路、断开位置的检测方法及控制单元
KR20170069247A (ko) 스위칭 시스템을 시험하기 위한 시험 장치 및 방법
CN112285447A (zh) 一种开关抽屉测试电路和测试设备
US3851944A (en) Current transformer connector
CN206020563U (zh) 信号转接装置及包括信号转接装置的故障诊断系统
CN112895966A (zh) 用于为多个电驱动机动车充电的设备和方法
CN115963365A (zh) 一种预埋电缆线束的绝缘及耐压测试装置
CN210982617U (zh) 一种开关抽屉测试电路和测试设备
CN212301636U (zh) 一种航空插头的转接在线检测接口装置
CN108152593B (zh) 便携式全自动电接口直流电阻测试系统及测试方法
CN111929477A (zh) 一种航空插头的转接在线检测接口装置
CN219066030U (zh) 基于硬件在环设备的汽车电子控制单元测试台架
US10436854B2 (en) Power supply arrangement
CN112485729A (zh) 电连接器连接状态检测方法
RU2688946C1 (ru) Автоматизированное устройство контроля протяженных многожильных кабелей

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 20730576

Country of ref document: EP

Kind code of ref document: A1

NENP Non-entry into the national phase

Ref country code: DE

122 Ep: pct application non-entry in european phase

Ref document number: 20730576

Country of ref document: EP

Kind code of ref document: A1