TWI501496B - Uninterruptible power protection apparatus and manufacturing system for producing electrolytic copper foil - Google Patents
Uninterruptible power protection apparatus and manufacturing system for producing electrolytic copper foil Download PDFInfo
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Description
本發明係有關於一種電解銅箔系統，尤指一種具有不斷電保護裝置之不斷電電解銅箔系統。The invention relates to an electrolytic copper foil system, in particular to an electro-continuous electrolytic copper foil system with an uninterrupted electrical protection device.
電解銅箔是以硫酸及硫酸銅所組成之水溶液作為電解液，以銥元素或其氧化物被覆的鈦板做為陽極(dimensionally stable anode,DSA)，以鈦製輥筒做為陰極輪(Drum)，於兩極間通以直流電，使電解液中的銅離子電解析出在鈦製輥筒上，接著將析出的電解銅自鈦製輥筒表面剝離並連續收捲進行製造。Electrolytic copper foil is an aqueous solution composed of sulfuric acid and copper sulfate as an electrolyte, a titanium plate coated with cerium or its oxide is used as a anode (dimensionally stable anode (DSA), and a titanium roller is used as a cathode wheel (Drum) The direct current is applied between the two electrodes to electrically analyze the copper ions in the electrolytic solution on the titanium roll, and then the deposited electrolytic copper is peeled off from the surface of the titanium roll and continuously wound up.
目前用以生產電解銅箔的所使用之電解銅箔系統，大多數是由單一電源輸出電解槽做動所需電源至複數個電解槽，且該些電解槽係以串聯方式相互連接並與該單一輸入電源形成電性迴路。然而，當複數個電解槽中任一台電解槽當機、維修、調整輥筒、換捲或保養等有停機需求時，須停止整個電解銅箔系統之供電，而造成產線停擺並降低生產效能。At present, most of the electrolytic copper foil systems used for producing electrolytic copper foils are powered by a single power supply output electrolytic cell to a plurality of electrolytic cells, and the electrolytic cells are connected to each other in series and A single input power source forms an electrical loop. However, when any one of the plurality of electrolytic cells is required to be shut down, repair, adjust the roller, change the volume, or maintain the power supply, the power supply of the entire electrolytic copper foil system must be stopped, causing the production line to stop and reduce production. efficacy.
因此，為克服傳統電解銅箔系統的問題，遂發展出另一電解銅箔系統。Therefore, in order to overcome the problems of the conventional electrolytic copper foil system, another electrolytic copper foil system has been developed.
請參閱第1圖，習知電解銅箔系統，係包括電源供應器1以及複數具有電氣阻斷裝置20,20’及電解裝置21,21’之銅箔生產單元2,2’。該銅箔生產單元2,2’係電性連接至該電源供應器1，且該等銅箔生產單元2,2’係以串聯方式電性連接，故當其中一銅箔生產單元2’中的電解裝置21’發生故障或有停機需求時，係將欲停機之該銅箔生產單元2’的電氣阻斷裝置20’啟動，並藉由該電氣阻斷裝置20’與其他銅箔生產單元2形成通路，使電解裝置21繼續運作，藉此可於不斷電之情況下停止有停機需求之該銅箔生產單元2’之電解裝置21’的運作。Referring to Fig. 1, a conventional electrolytic copper foil system includes a power supply 1 and a plurality of copper foil production units 2, 2' having electrical blocking devices 20, 20' and electrolysis devices 21, 21'. The copper foil production unit 2, 2' is electrically connected to the power supply 1, and the copper foil production units 2, 2' are electrically connected in series, so when one of the copper foil production units 2' When the electrolysis device 21' fails or has a shutdown requirement, the electrical blocking device 20' of the copper foil production unit 2' to be shut down is activated, and the electrical blocking device 20' and other copper foil production units are 2 The passage is formed to continue the operation of the electrolysis device 21, whereby the operation of the electrolysis device 21' of the copper foil production unit 2' having the shutdown requirement can be stopped in the event of an uninterrupted power.
然而，一般於電解銅箔系統中，為保護該電氣阻斷裝置並提升該電氣阻斷裝置的使用年限，現行之電解銅箔系統通常會於欲停機前，將電源供應器停止供電約1秒鐘，以降低接通該電氣阻斷裝置時的脈衝電流。然而，前述方法會造成串聯於同一電解銅箔系統之無斷電需求之銅箔生產單元，於電鍍銅箔時中斷1秒的電鍍時間，導致產出的銅箔厚度不均，遂而產生大量的不良品。此外，若在電源供應器未停止輸出電流之狀況下，接通該電氣阻斷裝置會產生火花，降低該電氣阻斷裝置的壽命。However, in an electrolytic copper foil system, in order to protect the electrical blocking device and increase the service life of the electrical blocking device, the current electrolytic copper foil system usually stops the power supply for about 1 second before stopping the machine. Clock to reduce the pulse current when the electrical blocking device is turned on. However, the foregoing method causes a copper foil production unit that is connected in series to the same electrolytic copper foil system without power failure, and interrupts the plating time of 1 second when plating the copper foil, resulting in uneven thickness of the produced copper foil, resulting in a large amount of Bad product. In addition, if the output current is not stopped by the power supply, turning on the electrical blocking device generates a spark, reducing the life of the electrical blocking device.
因此，業界亟需開發一種供電穩定，且不需斷電即可停止電解裝置之電解銅箔系統。Therefore, there is an urgent need in the industry to develop an electrolytic copper foil system in which the power supply is stable and the electrolysis device can be stopped without powering down.
鑑於上述習知技術之缺失，本發明提供一種電解銅箔系統，係具備：用以輸出電流之電源供應器；以及彼此以串聯方式電性連接該電源供應器之複數銅箔生產單元，其中，各該銅箔生產單元包括：用以電鍍產生電解銅箔之電解裝置；以及以並聯方式與該電解裝置電性連接之不斷電保護裝置。In view of the above-mentioned deficiencies of the prior art, the present invention provides an electrolytic copper foil system comprising: a power supply for outputting current; and a plurality of copper foil production units electrically connected to each other in series with the power supply, wherein Each of the copper foil production units includes: an electrolysis device for electroplating to produce an electrolytic copper foil; and an electro-current protection device electrically connected to the electrolysis device in parallel.
本發明復提供一種不斷電保護裝置，係包括：短路器；以及截電器，係以並聯方式電性連接該短路器，且該短路器與截電器的電阻不同。The present invention further provides an uninterruptible power protection device, comprising: a short circuit device; and a power interceptor electrically connected to the short circuit device in parallel, and the short circuit device is different from the electrical resistance of the power interceptor.
於一具體實施例中，該截電器之電阻係大於該短路器之電阻。In a specific embodiment, the electrical resistance of the electrical interceptor is greater than the electrical resistance of the shorting device.
於一具體實施例中，該短路器具有第一接點、與該第一接點斷開之第二接點、及活動式樞接於該第一接點之第一導電結構，以供該第一接點藉由該第一導電結構電性連接該第二接點。於一具體實施例中，該第一導電結構包括第一導電體和第二導電體，係供於不同時間點接觸該第二接點。於前述具體實施例中，該短路器之第二接點上具有第一墊片，以供電性連接該第一導電體。In a specific embodiment, the shorting device has a first contact, a second contact disconnected from the first contact, and a first conductive structure pivotally connected to the first contact for the The first contact is electrically connected to the second contact by the first conductive structure. In one embodiment, the first conductive structure includes a first electrical conductor and a second electrical conductor for contacting the second contact at different points in time. In the foregoing specific embodiment, the second contact of the shorting device has a first spacer for electrically connecting the first electrical conductor.
於另一具體實施例中，該截電器具有第三接點、與該第三接點斷開之第四接點、及活動式樞接於該第三接點之第二導電結構，以供該第三接點藉由該第二導電結構電性連接該第四接點。於另一具體實施例中，該第二導電結構包括第三導電體和第四導電體，係供於不同時間點接觸該第四接點。In another embodiment, the interceptor has a third contact, a fourth contact disconnected from the third contact, and a second conductive structure pivotally connected to the third contact for The third contact is electrically connected to the fourth contact by the second conductive structure. In another embodiment, the second conductive structure includes a third electrical conductor and a fourth electrical conductor for contacting the fourth contact at different points in time.
於一具體實施例中，該截電器之第四接點上具有第二墊片，以供電性連接該第三導電體。In a specific embodiment, the fourth contact of the interceptor has a second spacer for electrically connecting the third electrical conductor.
由上可知，本發明之不斷電保護裝置中，藉由截電器與該短路器並聯之設計，俾於不改變短路器原有之通電能力之情況下，達到保護短路器之功效。更詳而言，使用本發明之不斷電保護裝置時，係先導通截電器後，再導通短路器，以可犧牲的截電器消耗接通該不斷電保護裝置時的脈衝電流，降低短路器的損害，進而提升短路器的使用年限。進而使本發明之電解銅箔系統，能在不斷電之情況下，停止該電解銅箔系統中有斷電需求的銅箔生產單元，進而使無斷電需求之銅箔生產單元中的電解裝置繼續運作，遂而使產出的電鍍銅箔厚度均勻，提升生產效能。It can be seen from the above that in the galvanic protection device of the present invention, the design of the cross-connector and the short-circuiting device is parallel, and the effect of protecting the short-circuiting device is achieved without changing the original energizing capability of the short-circuiting device. More specifically, when the galvano protection device of the present invention is used, after the interceptor is turned on, the short circuit device is turned on, and the pulse current when the galvanic protection device is turned on is consumed by the sacrificial interceptor to reduce the short circuit. Damage to the device, which in turn increases the life of the shunt. Further, in the electrolytic copper foil system of the present invention, the copper foil production unit having the power-off requirement in the electrolytic copper foil system can be stopped under the condition of constant power, and the electrolytic solution in the copper foil production unit without the power failure requirement can be further The device continues to operate, resulting in a uniform thickness of the plated copper foil produced, which improves production efficiency.
1‧‧‧電源供應器1‧‧‧Power supply
2、2’、3、3’‧‧‧銅箔生產單元2, 2', 3, 3'‧‧‧ copper foil production unit
20,20’‧‧‧電氣阻斷裝置20,20’‧‧‧Electrical blocking device
21、21’、31、31’‧‧‧電解裝置21, 21', 31, 31' ‧ ‧ electrolyzer
30、30’‧‧‧不斷電保護裝置30, 30'‧‧‧Continuous electrical protection devices
301、301’‧‧‧短路器301, 301’‧‧‧ Short circuit
301a、301a’‧‧‧第一接點301a, 301a’‧‧‧ first contact
301b、301b’‧‧‧第二接點301b, 301b’‧‧‧second junction
3011‧‧‧第一導電結構3011‧‧‧First conductive structure
3011a‧‧‧第一導電體3011a‧‧‧First conductor
3011b‧‧‧第二導電體3011b‧‧‧Second conductor
3012‧‧‧第一墊片3012‧‧‧First gasket
302、302’‧‧‧截電器302, 302’‧‧‧ electrical appliances
302a、302a’‧‧‧第三接點302a, 302a’‧‧‧ third joint
302b、302b’‧‧‧第四接點302b, 302b’‧‧‧ fourth junction
3021‧‧‧第二導電結構3021‧‧‧Second conductive structure
3021a‧‧‧第三導電體3021a‧‧‧ Third conductor
3021b‧‧‧第四導電體3021b‧‧‧fourth conductor
第1圖係習知電解銅箔系統之示意圖；第2A至2G圖係本發明之不斷電保護裝置之基本架構及其做動機制示意圖；第3A至3C圖係本發明之不斷電保護裝置的短路器之一具體實施例之做動機制示意圖；第4A至4C圖係本發明之不斷電保護裝置的短路器之另一具體實施例之做動機制示意圖；第5A至5G圖係本發明之不斷電保護裝置之一具體實施例之基本架構及其做動機制示意圖；以及第6A至6G圖係本發明電解銅箔系統之基本架構及其做動機制示意圖。1 is a schematic view of a conventional electrolytic copper foil system; 2A to 2G are schematic diagrams of a basic structure and an actuation mechanism of the galvanostatic protection device of the present invention; and 3A to 3C are diagrams of the galvanic protection of the present invention FIG. 4A to FIG. 4C are schematic diagrams showing the action mechanism of another specific embodiment of the short circuit device of the galvanostatic protection device of the present invention; FIGS. 5A to 5G are diagrams The basic structure of one embodiment of the galvanic protection device of the present invention and a schematic diagram of its actuation mechanism; and the 6A to 6G drawings are schematic diagrams of the basic structure and the actuation mechanism of the electrolytic copper foil system of the present invention.
以下藉由特定的具體實施例說明本發明之實施方式，熟悉此技藝之人士可由本說明書所揭示之內容輕易地瞭解本發明之其他優點及功效。The other embodiments of the present invention will be readily understood by those skilled in the art from this disclosure.
須知，本說明書所附圖式所繪示之結構、比例、大小等，均僅用以配合說明書所揭示之內容，以供熟悉此技藝之人士之瞭解與閱讀，並非用以限定本發明可實施之限定條件，故不具技術上之實質意義，任何結構之修飾、比例關係之改變或大小之調整，在不影響本發明所能產生之功效及所能達成之目的下，均應仍落在本發明所揭示之技術內容得能涵蓋之範圍內。同時，本說明書中所引用之如「接點」、「上」、「第一」、「第二」、「第三」、「第四」及「一」等之用語，亦僅為便於敘述之明瞭，而非用以限定本發明可實施之範圍，其相對關係之改變或調整，在無實質變更技術內容下，當亦視為本發明可實施之範疇。It is to be understood that the structure, the proportions, the size, and the like of the present invention are intended to be used in conjunction with the disclosure of the specification, and are not intended to limit the invention. The conditions are limited, so it is not technically meaningful. Any modification of the structure, change of the proportional relationship or adjustment of the size should remain in this book without affecting the effects and the objectives that can be achieved by the present invention. The technical content disclosed in the invention can be covered. At the same time, the terms "contact", "upper", "first", "second", "third", "fourth" and "one" as quoted in this manual are also for convenience only. It is to be understood that the scope of the invention is not limited by the scope of the invention.
本文所使用之術語「接點」，係意指接觸的位置，而非單指平面上的點。As used herein, the term "contact" means the location of the contact, not the point on the plane.
本文所使用之術語「短路器」之涵意包括，但非限於，任何可阻斷及/或傳輸電流之零部件(如，開關、電磁開關、電磁接觸器)。換言之，該術語「短路器」係指但非限於，藉由開關、電磁開關或電磁接觸器等零部件，決定是否導通或關閉，以控制電路為通路(短路)或開路(斷路)。As used herein, the term "short circuit" is intended to include, but is not limited to, any component that blocks and/or transmits electrical current (eg, switches, electromagnetic switches, electromagnetic contactors). In other words, the term "short circuit" means, but is not limited to, determining whether to turn on or off by means of switches, electromagnetic switches or electromagnetic contactors to control the circuit as a path (short circuit) or an open circuit (open circuit).
本文所使用之術語「活動式樞接」之涵意包括，但非限於，樞接固定或滑接固定本發明之導電結構或導電體於 另一物體上，俾使該導電結構或導電體可與第二接點接觸。The term "active pivoting" as used herein includes, but is not limited to, pivotally fixing or slidingly securing the electrically conductive structure or electrical conductor of the present invention. On another object, the conductive structure or the electrical conductor can be in contact with the second contact.
本文所使用之術語「通電能力」，係意指，通電流能力(current carrying ability)及電流承載能力(carrying ability)。As used herein, the term "energizing ability" means a current carrying ability and a carrying ability.
第2A至2G圖係為本發明之不斷電保護裝置之基本架構及其做動機制示意圖。2A to 2G are diagrams showing the basic structure of the UPS device of the present invention and its actuation mechanism.
請參閱第2A圖，本發明之不斷電保護裝置30，係包括：短路器301；以及截電器302，係以並聯方式電性連接該短路器301，且該短路器301與截電器302的電阻不同。Referring to FIG. 2A, the galvano protection device 30 of the present invention includes: a short circuiter 301; and a power interceptor 302 electrically connected in parallel to the short circuiter 301, and the short circuit device 301 and the power interceptor 302 The resistance is different.
請參閱第2A圖，本發明之不斷電保護裝置30係包括：具有第一接點301a、與該第一接點301a斷開之第二接點301b、及活動式樞接於該第一接點301a之第一導電結構3011之短路器301；以及具有第三接點302a、與該第三接點302a斷開之第四接點302b、及活動式樞接於該第三接點302a之第二導電結構3021之截電器302。Referring to FIG. 2A, the galvanic protection device 30 of the present invention includes: a first contact 301a, a second contact 301b disconnected from the first contact 301a, and a movable pivoting connection to the first a short circuiter 301 of the first conductive structure 3011 of the contact point 301a; and a fourth contact 302b having a third contact 302a disconnected from the third contact 302a, and a movable pivotal connection to the third contact 302a The interceptor 302 of the second conductive structure 3021.
於本實施例中，對於該短路器及截電器並未有特殊的限制，可為開關、電磁開關或電磁接觸器，其中，該截電器的電阻大於該短路器之電阻。此外，當將本發明之不斷電保護裝置裝設於電路上時，該不斷電保護裝置做動時，該截電器會先啟動(形成通路)，而後啟動(形成通路)該短路器，待該短路器啟動後該截電器則關閉(形成斷路)。In this embodiment, the short circuit breaker and the electric interceptor are not particularly limited, and may be a switch, an electromagnetic switch or an electromagnetic contactor, wherein the electrical resistance of the electrical interceptor is greater than the electrical resistance of the short circuit breaker. In addition, when the galvano protection device of the present invention is mounted on the circuit, when the galvanic protection device is actuated, the interceptor starts (forms a path) and then starts (forms a path) the short circuiter. The interceptor is turned off (forming an open circuit) after the crowbar is activated.
以具有複數個銅箔生產單元的電解銅箔系統為例，於欲停止系統中一電解裝置時，係先透過第二導電結構3021將該截電器302之該第三接點302a與第四接點302b相連接，如第2B圖所示。Taking an electrolytic copper foil system having a plurality of copper foil production units as an example, when an electrolysis device in the system is to be stopped, the third contact 302a of the interceptor 302 is connected to the fourth through the second conductive structure 3021. Point 302b is connected as shown in Figure 2B.
請參閱第2C圖，係接續第2B圖，於該第三接點302a與第四接點302b連接後，透過第一導電結構3011將該短路器301之第一接點301a與第二接點301b相連接。Please refer to FIG. 2C , which is connected to FIG. 2B . After the third contact 302 a is connected to the fourth contact 302 b , the first contact 301 a and the second contact of the short circuit 301 are transmitted through the first conductive structure 3011 . 301b is connected.
請參閱第2D圖，係接續第2C圖，於該第一接點301a與第二接點301b電性連接後，將該第三接點302a與第四接點302b斷開，使該短路器301為本發明之不斷電保護裝置30唯一之電性通道。Please refer to FIG. 2D, which is connected to FIG. 2C. After the first contact 301a and the second contact 301b are electrically connected, the third contact 302a and the fourth contact 302b are disconnected to make the short circuit. 301 is the only electrical channel of the UPS 30 of the present invention.
當欲將系統中一電解裝置重新運作時，請參閱第2E圖，係透過第二導電結構3021將該第三接點302a與第四接點302b電性連接，使該短路器301及截電器302皆為導通之狀態。When the electrolysis device in the system is to be reactivated, please refer to FIG. 2E, and the third contact 302a and the fourth contact 302b are electrically connected through the second conductive structure 3021, so that the short circuiter 301 and the electrical device are connected. 302 is all in a state of conduction.
請參閱第2F圖，係接續第2E圖，於該第三接點302a與第四接點302b連接後，則將該短路器301之第一接點301a與第二接點301b斷開，使該截電器302為本發明之不斷電保護裝置30唯一之電性通道。Please refer to FIG. 2F , which is connected to FIG. 2E . After the third contact 302 a is connected to the fourth contact 302 b , the first contact 301 a of the short circuit 301 is disconnected from the second contact 301 b. The interceptor 302 is the only electrical passage of the galvano protection device 30 of the present invention.
請參閱第2G圖，係接續第2F圖，將該截電器302之第三接點302a與第四接點302b斷開，使本發明之不斷電保護裝置30為關閉(未導通)狀態。Referring to FIG. 2G, the second contact 302a is disconnected from the fourth contact 302b, so that the galvano protection device 30 of the present invention is in a closed (non-conducting) state.
於本實施例中，係顯示於截電器之第三接點與第四接點已經電性連接之情況下，該短路器的做動機制示意圖。In this embodiment, it is shown that the third contact and the fourth contact of the interceptor have been electrically connected, and the operating mechanism of the short circuit is schematically illustrated.
第3A至3C圖係本發明之不斷電保護裝置一具體實施例之做動機制示意圖，於本發明之不斷電保護裝置30中，該短路器301具有第一接點301a、與該第一接點301a斷開之第二接點301b、及活動式樞接於該第一接點301a之第一導電結構3011，以供該第一接點301a藉由該第一導電結構3011電性連接該第二接點301b，其中，該第一導電結構3011包括第一導電體3011a和第二導電體3011b，係供於不同時間點接觸該第二接點301b，且該第二接點301b上具有第一墊片3012，以供電性連接該第一導電體3011a。3A to 3C are schematic diagrams showing an operation mechanism of an embodiment of the galvano-protection device of the present invention. In the galvano protection device 30 of the present invention, the crowbar 301 has a first contact 301a, and the same a second contact 301b disconnected from a contact 301a, and a first conductive structure 3011 pivotally connected to the first contact 301a, for the first contact 301a to be electrically connected by the first conductive structure 3011 Connecting the second contact 301b, wherein the first conductive structure 3011 includes a first electrical conductor 3011a and a second electrical conductor 3011b for contacting the second contact 301b at different time points, and the second contact 301b The first gasket 3012 is provided thereon to electrically connect the first conductor 3011a.
以具有複數個銅箔生產單元的電解銅箔系統為例，欲停止系統中一電解裝置時，請參閱第3A圖，該截電器302之第三接點302a與第四接點302b已電性連接之情況下，本發明之不斷電保護裝置30之短路器301之仍為斷開，該第一導電結構3011與該第二接點301b之第一墊片3012未電性連接。Taking an electrolytic copper foil system having a plurality of copper foil production units as an example, when stopping an electrolysis device in the system, please refer to FIG. 3A, the third contact 302a and the fourth contact 302b of the interceptor 302 are electrically connected. In the case of the connection, the short circuit breaker 301 of the galvano protection device 30 of the present invention is still disconnected, and the first conductive structure 3011 is not electrically connected to the first gasket 3012 of the second contact 301b.
請參閱第3B及3C圖，係接續第3A圖，該第一導電體3011a會先與該第二接點301b之第一墊片3012接觸並電性連接。接著，如第3C圖所示，於該第一導電體3011a與第一墊片3012電性連接後，該第一導電結構3011之第二導電體3011b與該第二接點301b電性連接，在本實施例中，該第一導電體3011a一端係可以彈性體(如，彈簧)樞 接於第二導電體3011b，故可於該第一導電體3011a與該第一墊片3012電性連接之情況下，令第二導電體3011b與該第二接點301b電性連接。Referring to FIGS. 3B and 3C , the first electrical conductor 3011 a is first in contact with and electrically connected to the first spacer 3012 of the second contact 301 b . Then, as shown in FIG. 3C, after the first conductive body 3011a is electrically connected to the first spacer 3012, the second conductive body 3011b of the first conductive structure 3011 is electrically connected to the second contact 301b. In this embodiment, one end of the first electrical conductor 3011a can be an elastic body (eg, a spring) The second conductive body 3011b is electrically connected to the second conductive member 3011b. Therefore, when the first conductive body 3011a is electrically connected to the first spacer 3012, the second conductive body 3011b is electrically connected to the second contact 301b.
於本實施例中，對於該第一導電體3011a及第二導電體3011b的形狀及固定方法並未有特殊限制，僅需使該第一導電體3011a及第二導電體3011b接觸該第二接點301b之不同位置即可。此外，於本發明中對於該導電體之材質並未有特殊限制，於本實施例中，該導電體用以接觸墊片及/或接點的接觸位置之材質為銀、鎢混合之合金。In this embodiment, the shape and the fixing method of the first conductor 3011a and the second conductor 3011b are not particularly limited, and only the first conductor 3011a and the second conductor 3011b are required to contact the second connector. The different positions of point 301b can be. In addition, in the present invention, the material of the conductor is not particularly limited. In the present embodiment, the material of the contact position of the conductor for contacting the gasket and/or the contact is an alloy of silver and tungsten.
於本實施例中，亦為於截電器之第三接點與第四接點已經電性連接之情況下，針對該短路器的部份做動機制示意圖。In the embodiment, in the case that the third contact and the fourth contact of the interceptor are electrically connected, a schematic diagram of a part of the short-circuiting mechanism is performed.
請參閱第4A至4C圖係本發明之短路器之另一具體實施例之做動機制示意圖。Please refer to FIGS. 4A-4C for a schematic diagram of the actuation mechanism of another embodiment of the crowbar of the present invention.
請參閱第4A圖，於本發明之不斷電保護裝置30中，該短路器301具有第一接點301a、與該第一接點301a斷開之第二接點301b、及活動式樞接於該第一接點301a之第一導電結構3011，以供電性連接該第二接點301b，其中，該第一導電結構3011包括第一導電體3011a和第二導電體3011b，係供於不同時間點接觸該第二接點301b，且該第二接點301b上具有第一墊片3012，以供電性連接該第一導電體3011a。Referring to FIG. 4A, in the galvano protection device 30 of the present invention, the short circuiter 301 has a first contact 301a, a second contact 301b disconnected from the first contact 301a, and a movable pivot connection. The first conductive structure 3011 of the first contact 301a is electrically connected to the second contact 301b. The first conductive structure 3011 includes a first conductive body 3011a and a second conductive body 3011b. The second contact 301b is contacted at a time point, and the second contact 301b has a first spacer 3012 for electrically connecting the first electrical conductor 3011a.
於本實施例中，該第一導電體3011a與第二導電體3011b係分別電性連接於該第一接點301a，例如，該第一導電體3011a與第二導電體3011b皆樞接於該第一接點301a，但該第一導電體3011a與第二導電體3011b在未與第二接點301b電性連接時，係保持一夾角，例如透過彈片使該第一導電體3011a與第二導電體3011b保持一夾角，故可令其二者與第二接點301b接觸時具有時間差。更詳而言，當該第一接點301a與第二接點301b電性連接時，係於該第一導電體3011a與該第二接點301b上之第一墊片3012電性連接後，該第二導電體3011b才與該第二接點301b接觸並電性連接。In this embodiment, the first electrical conductor 3011a and the second electrical conductor 3011b are electrically connected to the first contact 301a, for example, the first electrical conductor 3011a and the second electrical conductor 3011b are pivotally connected to the first electrical conductor 3011a. The first contact 301a, but the first conductive body 3011a and the second conductive body 3011b are maintained at an angle when not electrically connected to the second contact 301b, for example, the first conductive body 3011a and the second through the elastic piece The electrical conductors 3011b maintain an angle so that they have a time difference when they are in contact with the second contact 301b. In more detail, when the first contact 301a and the second contact 301b are electrically connected, after the first conductive body 3011a is electrically connected to the first pad 3012 on the second contact 301b, The second electrical conductor 3011b is in contact with and electrically connected to the second contact 301b.
請參閱第4A圖，係於本發明之不斷電保護裝置30的截電器302之第三接點302a與第四接點302b已電性連接之情況下，本發明之不斷電保護裝置30之短路器301之仍為斷開狀態，該第一導電結構3011中的第一導電體3011a與第二導電體3011b皆尚未與該第二接點301b電性連接。Referring to FIG. 4A, in the case where the third contact 302a and the fourth contact 302b of the interceptor 302 of the galvano protection device 30 of the present invention are electrically connected, the galvano protection device 30 of the present invention is provided. The first electrical conductor 3011a and the second electrical conductor 3011b of the first conductive structure 3011 are not yet electrically connected to the second contact 301b.
請參閱第4B圖，係接續第4A圖，本發明之不斷電保護裝置30之短路器301做動時，該第一導電體3011a會先與該第二接點301b之第一墊片3012接觸並電性連接。Referring to FIG. 4B, in connection with FIG. 4A, when the crowbar 301 of the galvano protection device 30 of the present invention is activated, the first conductor 3011a first contacts the first pad 3012 of the second contact 301b. Contact and electrical connection.
請參閱第4C圖，係接續第4B圖，於該第一導電體3011a與第二接點301b之第一墊片3012電性連接後，該第一導電結構3011之第二導電體3011b與該第二接點301b電性連接。Referring to FIG. 4C, after the first electrical conductor 3011a is electrically connected to the first spacer 3012 of the second contact 301b, the second electrical conductor 3011b of the first conductive structure 3011 is connected to the fourth electrical conductor 3011a. The second contact 301b is electrically connected.
另，於本發明不斷電保護裝置中，該截電器的結構亦 可置換為如實施例2或3所述之短路器的結構，並不影響該截電器的做動。例如，該截電器亦可具有活動式樞接於該第三接點供電性連接至該第四接點之第二導電結構，且該第二導電結構包括第三導電體和第四導電體，係供於不同時間點接觸該第四接點，且該第四接點上具有第二墊片，以供電性連接該第三導電體，其中，該第三導電體一端係可以彈性體(如，彈簧)樞接於第四導電體，故可於該第三導電體與該第二墊片電性連接之情況下，令第四導電體與該第四接點電性連接。In addition, in the continual protection device of the present invention, the structure of the interceptor is also The structure of the crowbar as described in Embodiment 2 or 3 can be replaced without affecting the operation of the interceptor. For example, the interceptor may further have a second conductive structure that is pivotally connected to the third contact and is electrically connected to the fourth contact, and the second conductive structure includes a third electrical conductor and a fourth electrical conductor. The fourth contact is provided at different time points, and the second contact has a second spacer for electrically connecting the third electrical conductor, wherein one end of the third electrical conductor is elastic (eg The spring is pivotally connected to the fourth electrical conductor, so that the fourth electrical conductor is electrically connected to the fourth electrical contact when the third electrical conductor is electrically connected to the second electrical pad.
請參閱第5A至5F圖，係本發明之不斷電保護裝置基本做動機制示意圖。Please refer to FIG. 5A to FIG. 5F, which are schematic diagrams showing the basic operation mechanism of the galvano protection device of the present invention.
請參閱第5A圖，本發明之不斷電保護裝置30係包括：具有斷開之第一接點301a與第二接點301b之短路器301；以及具有斷開之第三接點302a與第四接點302b之截電器302，該截電器302係以並聯方式與該短路器301電性連接。Referring to FIG. 5A, the galvano protection device 30 of the present invention includes: a short circuiter 301 having a first contact 301a and a second contact 301b disconnected; and a third contact 302a having a disconnection The interceptor 302 of the four contacts 302b is electrically connected to the short circuiter 301 in a parallel manner.
於本實施例中，該短路器301具有活動式樞接於該第一接點301a之第一導電結構3011，以供電性連接該第二接點301b，其中，該第一導電結構3011包括第一導電體3011a和第二導電體3011b，係供於不同時間點接觸該第二接點301b；以及該截電器302具有活動式樞接於該第三接點302a之第二導電結構3021，以供該第三接點302a藉由 該第二導電結構3021電性連接該第四接點302b，其中，該第二導電結構3021包括第三導電體3021a和第四導電體3021b，係供於不同時間點接觸該第四接點302b。In the present embodiment, the short circuit breaker 301 has a first conductive structure 3011 that is pivotally connected to the first contact 301a to electrically connect the second contact 301b. The first conductive structure 3011 includes An electrical conductor 3011a and a second electrical conductor 3011b are provided for contacting the second contact 301b at different time points; and the interceptor 302 has a second conductive structure 3021 pivotally connected to the third contact 302a to For the third contact 302a by The second conductive structure 3021 is electrically connected to the fourth contact 302b, wherein the second conductive structure 3021 includes a third electrical conductor 3021a and a fourth electrical conductor 3021b for contacting the fourth contact 302b at different time points. .
如第5B圖所示，先使該第三導電體3021a與該第四接點302b電性連接。As shown in FIG. 5B, the third electrical conductor 3021a is electrically connected to the fourth contact 302b.
如第5C圖所示，係接續第5B圖，於該第三導電體3021a與該第四接點302b電性連接後，該第四導電體3021b隨即與該第四接點302b接觸並電性連接。As shown in FIG. 5C, after the fifth conductor 3021a is electrically connected to the fourth contact 302b, the fourth conductor 3021b is then in contact with the fourth contact 302b and electrically connected. connection.
請參閱第5D圖，於該截電器302之第三接點302a與第四接點302b電性連接後，該第一導電結構3011之第一導電體3011a則與該第二接點301b電性連接。Referring to FIG. 5D, after the third contact 302a of the interceptor 302 is electrically connected to the fourth contact 302b, the first conductive body 3011a of the first conductive structure 3011 is electrically connected to the second contact 301b. connection.
如第5E圖所示，於該第一導電體3011a與該第二接點301b電性連接後，該第二導電體3011b亦與該第二接點301b接觸並電性連接。As shown in FIG. 5E, after the first electrical conductor 3011a is electrically connected to the second contact 301b, the second electrical conductor 3011b is also in contact with and electrically connected to the second contact 301b.
如第5F圖所示，於該第一導電體3011a與第二導電體3011b皆與該第二接點301b電性連接後，將該截電器302之該第四導電體3021b與該第四接點302b斷開。As shown in FIG. 5F, after the first electrical conductor 3011a and the second electrical conductor 3011b are electrically connected to the second contact 301b, the fourth electrical conductor 3021b of the electrical device 302 and the fourth electrical connection are connected. Point 302b is disconnected.
如第5G圖所示，於該截電器302之第四導電體3021b與該第四接點302b斷開後，將第三導電體3021a與該第四接點302b斷開，使該第三接點302a與第四接點302b斷開，以確保輸入之電流完全經由該短路器301輸送。As shown in FIG. 5G, after the fourth electrical conductor 3021b of the interceptor 302 is disconnected from the fourth contact 302b, the third electrical conductor 3021a is disconnected from the fourth contact 302b, so that the third connection is made. The point 302a is disconnected from the fourth contact 302b to ensure that the input current is completely delivered via the crowbar 301.
於欲將系統中一電解裝置重新啟動時，本發明不斷電保護裝置的截電器與短路器之做動順序，係如同自第5F圖反推回第5A圖。When the electrolysis device in the system is to be restarted, the sequence of the interceptor and the crowbar of the galvano protection device of the present invention is reversed from the 5th figure to Fig. 5A.
請參閱第5F圖，將第三導電體3021a與該第四接點302b電性連接。Referring to FIG. 5F, the third electrical conductor 3021a is electrically connected to the fourth contact 302b.
接著，如第5E圖所示，於該第三導電體3021a與該第四接點302b電性連接後，該第四導電體3021b隨即與該第四接點302b接觸並電性連接。Next, as shown in FIG. 5E, after the third electrical conductor 3021a is electrically connected to the fourth contact 302b, the fourth electrical conductor 3021b is then in contact with and electrically connected to the fourth contact 302b.
請參閱第5D圖，於該截電器302之第三接點302a與第四接點302b電性連接後，該第一導電結構3011之第二導電體3011b則與該第二接點301b斷開。Referring to FIG. 5D, after the third contact 302a of the interceptor 302 is electrically connected to the fourth contact 302b, the second electrical conductor 3011b of the first conductive structure 3011 is disconnected from the second contact 301b. .
接著，如第5C圖所示，於該第一導電結構3011之第二導電體3011b與該第二接點301b斷開後，該第一導電體3011a亦與該第二接點301b斷開。Next, as shown in FIG. 5C, after the second electrical conductor 3011b of the first conductive structure 3011 is disconnected from the second contact 301b, the first electrical conductor 3011a is also disconnected from the second contact 301b.
請參閱第5B圖，於該短路器301之第一接點301a與第二接點301b形成斷路後，該第二導電結構3021之第四導電體3021b則與該第四接點302b斷開。Referring to FIG. 5B, after the first contact 301a and the second contact 301b of the short circuiter 301 form an open circuit, the fourth electrical conductor 3021b of the second conductive structure 3021 is disconnected from the fourth contact 302b.
如第5A圖所示，於該第四導電體3021b與該第四接點302b斷開後，該第三導電體3021a則與該第四接點302b斷開，使該截電器302之第三接點302a與第四接點302b為斷開(未導通)狀態。As shown in FIG. 5A, after the fourth electrical conductor 3021b is disconnected from the fourth contact 302b, the third electrical conductor 3021a is disconnected from the fourth contact 302b, so that the third electrical device 302 is disconnected. The contact 302a and the fourth contact 302b are in a disconnected (non-conducting) state.
於本實施例中，該截電器之電阻係大於該短路器，藉由該截電器消耗部份脈充電流能量，殘餘部分電流藉由該短路器消耗，藉此保護該短路器。In this embodiment, the electrical resistance of the electrical interceptor is greater than the short-circuiting device, and the electrical energy is consumed by the electrical energy storage device, and the residual current is consumed by the short-circuiting device, thereby protecting the short-circuiting device.
請參閱第6A至6G圖，本發明電解銅箔系統之基本架 構示意圖。Please refer to Figures 6A to 6G for the basic frame of the electrolytic copper foil system of the present invention. Schematic diagram.
如第6A圖所示，本發明之電解銅箔系統，係具備：用以輸出電流之電源供應器1；以及複數彼此以串聯方式電性連接於該電源供應器1之銅箔生產單元3,3’，各該銅箔生產單元3,3’包括：電解裝置31,31’，係用以電鍍產生電解銅箔；以並聯方式與該電解裝置31,31’電性連接的不斷電保護裝置30,30’，係包括：具有第一接點301a,301a’及與該第一接點301a,301a’斷開之第二接點301b,301b’之短路器301,301’；以及以並聯方式與該短路器301,301’電性連接的具有第三接點302a,302a’及與該第三接點302a,302a’斷開之第四接點302b,302b’之截電器302,302’，其中，該短路器301,301’與截電器302,302’之組合可為前述實施例2至3中任一種不斷電保護裝置。As shown in FIG. 6A, the electrolytic copper foil system of the present invention comprises: a power supply 1 for outputting current; and a plurality of copper foil production units 3 electrically connected to the power supply 1 in series, 3', each of the copper foil production units 3, 3' comprises: an electrolysis device 31, 31' for electroplating to produce an electrolytic copper foil; and an electrical protection for electrically connecting the electrolysis devices 31, 31' in parallel The device 30, 30' includes: a first contact 301a, 301a' and a short circuit 301, 301' of the second contact 301b, 301b' disconnected from the first contact 301a, 301a'; and in parallel a third connector 302a, 302a' electrically connected to the short circuiter 301, 301' and a third connector 302b, 302b' disconnecting device 302, 302' from the third contact 302a, 302a', wherein The combination of the short-circuiters 301, 301' and the interceptors 302, 302' may be any of the foregoing embodiments 2 to 3 of the galvanic protection device.
於本實施例中，該電解裝置與本發明之不斷電保護裝置之電阻大小關係為該電解裝置之電阻大於本發明之不斷電保護裝置，且於該不斷電保護裝置中，該截電器之電阻係大於該短路器之電阻。此外，於本發明之電解銅箔系統正常運作時，該短路器301與截電器302之各該接點皆為斷路。In this embodiment, the relationship between the resistance of the electrolysis device and the galvano protection device of the present invention is that the resistance of the electrolysis device is greater than the galvanic protection device of the present invention, and in the galvanic protection device, the intercept The electrical resistance of the electrical appliance is greater than the electrical resistance of the shorting device. In addition, when the electrolytic copper foil system of the present invention is in normal operation, the contacts of the short circuit breaker 301 and the interceptor 302 are both open.
於欲將電解銅箔系統中一電解裝置停止生產時，本發明電解銅箔系統之基本做動機制示意圖，如第6B至6D圖所示。The schematic diagram of the basic actuation mechanism of the electrolytic copper foil system of the present invention, as shown in Figures 6B to 6D, is intended to stop the production of an electrolysis device in an electrolytic copper foil system.
請參閱第6B圖，當本發明之電解銅箔系統中，其中一電解裝置31’欲停機時，則將該不斷電保護裝置30’的第三接點302a’與第四接點302b’相接觸，簡而言之，將該有停機需求之銅箔生產單元3’之不斷電保護裝置30’中的截電器302’的第三接點302a’與第四接點302b’導通。Referring to FIG. 6B, in the electrolytic copper foil system of the present invention, when one of the electrolysis devices 31' is to be shut down, the third contact 302a' and the fourth contact 302b' of the galvano protection device 30' are In contact, in short, the third contact 302a' of the interrupter 302' in the galvano protection device 30' of the copper foil production unit 3' with shutdown requirements is electrically connected to the fourth contact 302b'.
於本實施例中，於該第三接點與第四接點導通時，該電源供應器輸出之電流，經由該截電器輸送至次一銅箔生產單元形成電性迴路(倘若無次一銅箔生產單元則與該電源供應器形成電性迴路)，並保持次一銅箔生產單元之電解裝置能接收到自電源供應器輸出之電流。In this embodiment, when the third contact and the fourth contact are turned on, the current output by the power supply is sent to the next copper foil production unit via the interceptor to form an electrical circuit (if there is no secondary copper) The foil production unit forms an electrical circuit with the power supply) and maintains the electrolysis device of the secondary copper foil production unit capable of receiving current from the power supply output.
請參閱第6C圖，係接續第6B圖，將該有停機需求之銅箔生產單元3’之短路器301’的第一接點301a’與第二接點301b’導通。Referring to Fig. 6C, the first contact 301a' and the second contact 301b' of the short circuiter 301' of the copper foil production unit 3' having the shutdown requirement are connected to the sixth embodiment.
請參閱第6D圖，係接續第6C圖，於該短路器301’導通後即斷開該第三接點302a’與第四接點302b’，使該截電器形成斷路。Referring to Fig. 6D, following Fig. 6C, after the short circuiter 301' is turned on, the third contact 302a' and the fourth contact 302b' are disconnected to form an open circuit.
於本實施例中，由於本發明之電解裝置形同斷路(因槽內阻值遠大於短路器導電時之阻值)，且該截電器亦為斷路，電流係經由該短路器輸送至次一銅箔生產單元形成電性迴路(倘若無次一銅箔生產單元則與該電源供應器形成電性迴路)，使該有停機需求之電解裝置得以在電源供應器持續供電之情況下，使該有停機需求之電解裝置停止生產。In the present embodiment, since the electrolysis device of the present invention has the same open circuit (because the resistance value in the groove is much larger than the resistance value when the short circuit device is electrically conductive), and the interceptor is also broken, the current is transmitted to the next one via the short circuit device. The copper foil production unit forms an electrical circuit (if no secondary copper foil production unit forms an electrical circuit with the power supply), so that the electrolysis device with the shutdown requirement can be continuously powered by the power supply The electrolysis unit with shutdown requirements stops production.
當欲將電解銅箔系統中一電解裝置重新運作時，請參閱第6D至6G圖，本發明電解銅箔系統之基本做動機制示意圖。When it is desired to re-operate an electrolysis device in an electrolytic copper foil system, please refer to Figures 6D to 6G for a schematic diagram of the basic actuation mechanism of the electrolytic copper foil system of the present invention.
當本發明電解系統中的電解裝置31’為停機狀態時，如第6D圖所示。When the electrolysis device 31' in the electrolysis system of the present invention is in a shutdown state, as shown in Fig. 6D.
請參閱第6E圖，先將該第三接點302a’與第四接點302b’電性連接，使兩相並聯之該短路器301’與截電器302’皆為導通狀態。Referring to FIG. 6E, the third contact 302a' and the fourth contact 302b' are electrically connected first, so that the short circuiter 301' and the current interceptor 302' are connected in parallel.
於本實施例中，電流係經短路器及截電器302’，輸送至次一銅箔生產單元形成電性迴路(倘若無次一銅箔生產單元則與該電源供應器形成電性迴路)。In this embodiment, the current is passed through the shorting device and the interceptor 302', and is transported to the next copper foil production unit to form an electrical circuit (if there is no secondary copper foil production unit, an electrical circuit is formed with the power supply).
請參閱第6F圖，係將該短路器301’之第一接點301a’與第二接點301b’斷開，使該短路器301’為斷路，俾使電流透過該截電器302’輸送至次一銅箔生產單元3(倘若無次一銅箔生產單元3則與該電源供應器1形成電性迴路)。Referring to FIG. 6F, the first contact 301a' of the short circuiter 301' is disconnected from the second contact 301b', so that the short circuiter 301' is disconnected, and current is transmitted through the interceptor 302' to The second copper foil production unit 3 (if there is no secondary copper foil production unit 3, an electrical circuit is formed with the power supply 1).
請參閱第6G圖，將該第三接點302a’與第四接點302b’斷開，該截電器302’形成斷路，使兩相並聯之該短路器301’與截電器302’皆為斷開狀態，使輸出自該電源供應器1之電流經由電解裝置31’輸送至次一銅箔生產單元3形成電性迴路(倘若無次一銅箔生產單元3則與該電源供應器1形成電性迴路)。Referring to FIG. 6G, the third contact 302a' is disconnected from the fourth contact 302b', and the interceptor 302' forms an open circuit, so that the short circuiter 301' and the interceptor 302' are connected in parallel. In the open state, the current output from the power supply 1 is sent to the next copper foil production unit 3 via the electrolysis device 31' to form an electrical circuit (if no copper foil production unit 3 is used, the power supply 1 is electrically connected) Sexual circuit).
本實施例中，將兩相並聯之該短路器與截電器皆為斷開狀態，迫使輸出自該電源供應器之電流僅能透過電解裝 置輸送至次一銅箔生產單元形成電性迴路(倘若無次一銅箔生產單元則與該電源供應器形成電性迴路)。In this embodiment, the short circuiter and the interceptor connected in parallel are both in an off state, forcing the current output from the power supply to pass through only the electrolytic device. The delivery to the next copper foil production unit forms an electrical circuit (if no copper foil production unit is used, an electrical circuit is formed with the power supply).
此外，由於該截電器之電阻係大於該短路器，且該截電器與短路器之電阻係遠小於該電解裝置之電阻，並藉由該截電器消耗部份脈充電流能量，殘餘部分電流藉由該短路器消耗，藉此保護該短路器。In addition, since the electrical resistance of the electrical interceptor is greater than the short-circuiting device, and the electrical resistance of the electrical interceptor and the short-circuiting device is much smaller than the electrical resistance of the electrolytic device, and the partial energy is consumed by the electrical energy interceptor, the residual current is borrowed. It is consumed by the short circuiter, thereby protecting the short circuiter.
綜上所述，本發明之不斷電保護裝置，利用截電器先行導通以消耗並減少短路器導通時的脈衝電流，以降低短路器的耗損。In summary, the galvano protection device of the present invention uses the interceptor to conduct first to consume and reduce the pulse current when the short circuit is turned on, so as to reduce the wear of the short circuit.
本發明之電解銅箔系統，更藉由該不斷電保護裝置，得以在不停止整電解銅箔系統之情況下，停止電解銅箔系統中有停機需求之銅箔生產單元，不僅可克服習知電解銅箔系統中，欲停止其中一銅箔生產單元就須停止整系統供電之缺點。The electrolytic copper foil system of the invention can further stop the copper foil production unit in the electrolytic copper foil system with the requirement of stopping the shutdown without stopping the whole electrolytic copper foil system, and can not only overcome the habit In the electrolytic copper foil system, the shortcomings of stopping the power supply of the whole system are required to stop one of the copper foil production units.
又，由於本發明之不斷電保護裝置具有以並聯方式電性連接於短路器上之截電器，並藉由於不斷電保護裝置啟動時先導通該截電器的設計，在不需將電源供應器停止供電秒，即能以該截電器承受切換過程所產生之脈衝電流，以降低切換過程中短路器所受之衝擊，遂增加短路器的壽命。Moreover, since the galvano protection device of the present invention has a power interceptor electrically connected to the short circuiter in parallel, and the power supply is not required to be turned on by the design of the electrical interrupter when the galvanic protection device is activated. When the device stops supplying power, it can withstand the pulse current generated by the switching process to reduce the impact of the short circuit during the switching process and increase the life of the short circuiter.
上述實施例係用以例示性說明本發明之原理及其功效，而非用於限制本發明。任何熟習此項技藝之人士均可在不違背本發明之精神及範疇下，對上述實施例進行修改。因此本發明之權利保護範圍，應如後述之申請專利範 圍所列。The above embodiments are intended to illustrate the principles of the invention and its effects, and are not intended to limit the invention. Any of the above-described embodiments may be modified by those skilled in the art without departing from the spirit and scope of the invention. Therefore, the scope of protection of the present invention should be as follows. Listed around.
30‧‧‧不斷電保護裝置30‧‧‧Continuous electrical protection device
301‧‧‧短路器301‧‧‧ Short circuit
301a‧‧‧第一接點301a‧‧‧ first joint
301b‧‧‧第二接點301b‧‧‧second junction
3011‧‧‧第一導電結構3011‧‧‧First conductive structure
302‧‧‧截電器302‧‧‧ Interceptor
302a‧‧‧第三接點302a‧‧‧ third junction
302b‧‧‧第四接點302b‧‧‧fourth joint
3021‧‧‧第二導電結構3021‧‧‧Second conductive structure
Claims (12)
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| CN101394085B (en) * | 2008-10-29 | 2010-07-21 | 西安交通大学 | Quick converting switch based liquid metal current limiting device, current limiting method therefor |
| CN101640424B (en) * | 2009-08-20 | 2011-09-28 | 中国电力科学研究院 | On-off system of 1000kV AC ultrahigh-voltage transmission line |
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