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? 概述 SUMMARY
輸電及配電系統(tǒng)正常工作運行在工頻信號下，然而隨著大量非線性負荷用電設備的增加，注入電網(wǎng)中的諧波也隨之增加，引起了電壓及電流的波形畸變。傳統(tǒng)的低壓無功補償裝置 TSC( 晶閘管投切電容器組 ) 實現(xiàn)電容器快速無觸點投切，但諧波的存在會使電容器與系統(tǒng)發(fā)生并聯(lián)諧振，使諧波電流放大導致電容器損壞或晶閘管燒損。而供電系統(tǒng)常用的方法是采用接觸器手動投切電力濾波器來消除諧波，自動化水平低，動作慢，無法做到適時穩(wěn)定投切。低壓動態(tài)無功補償濾波成套裝置 BSTSF( 用晶閘管投切濾波器 ) 實現(xiàn)了電壓、無功、諧波的綜合治理。
The normal operation of the transmission and distribution system is under the power frequency signal. However, with the increase of a large number of non-linear load electrical equipment, the harmonics injected into the power grid also increase, causing waveform distortion of voltage and current. The traditional low-voltage reactive power compensation device TSC (Thyristor Switching Capacitor Group) realizes fast contactless switching
of capacitors, but the presence of harmonics causes parallel resonance between capacitor and system, causing capacitor current to be damaged or thyristor burning. . The common method of the power supply system is to manually cut the power filter by the contactor to eliminate the harmonics, the automation level is extremely low, the motion is slow, and the timely and stable switching can not be achieved. The low-voltage dynamic reactive power compensation filter device BSTSF (using a thyristor switching filter) realizes comprehensive control of voltage, reactive power and harmonics.
? 主要特點 MAIN FEATURES
?本低壓動態(tài)無功補償濾波成套裝置兼有 TSC 和電力濾波器的雙重功能特點，是一種精良、特別的晶閘管柔性投切技術。
?通過控制晶閘管實現(xiàn)各次濾波器組無觸點自動投切，采用優(yōu)良的晶閘管柔性投切技術 (FACTF) 和特別工藝設計的濾波器，避免了傳統(tǒng)接觸器投切及晶閘管過零投切時產(chǎn)生的涌流、暫態(tài)沖擊，無需放電即可再投。延長了動態(tài)補償系統(tǒng)的使用壽命。
?不僅可以自動跟蹤系統(tǒng)無功負荷變化，進行快速無功補償，還可以濾除電力系統(tǒng)中的諧波電流，保證用戶功率因數(shù)在規(guī)定的范圍內。并且由于電容器與電抗器串聯(lián)，避免了諧波的放大問題。
?濾波器組由控制器控制投切，提高了濾波器組的快速響應能力，可根據(jù)配電系統(tǒng)的負荷情況動態(tài)頻繁的投切。動態(tài)響應時間不超過 20ms。
?功能強大、易于調試的液晶顯示控制器，可實時顯示系統(tǒng)電壓、功率因數(shù)、投入系統(tǒng)濾波器的組數(shù)、補償電流等數(shù)據(jù)?？蓪β室驍?shù)、過壓值、失壓值、過流值、諧波畸變率值、投切延時等參數(shù)進行編程。有過壓、過流、欠流、設備溫度 60℃等報警功能。
?根據(jù)三相平衡負荷和不對稱負荷可實現(xiàn)三相或分相投切。
? This low-voltage dynamic reactive power compensation filter completes the dual functions of TSC and power filter. It is an advanced and unique thyristor flexible switching technology.
? Controlled thyristor realizes non-contact automatic switching of each filter group, adopts advanced thyristor flexible switching technology (FACTF) and special process design filter to avoid traditional contactor switching and thyristor zero-crossing switching The inrush current and transient impact can be re-injected without discharging. Extends the life of the dynamic compensation system.
? It can not only automatically track the system reactive load change, perform fast reactive power compensation, but also filter out the harmonic current in the power system to ensure that the user power factor is within the specified range. And because the capacitor is connected in series with the reactor, the amplification problem of the harmonics is avoided.
? The filter bank is controlled by the controller, which improves the fast response capability of the filter bank and can be dynamically and frequently switched according to the load of the power distribution system. The dynamic response time does not exceed 20ms.
? Powerful and easy to debug LCD display controller, which can display system voltage, power factor, number of sets of system filters, compensation current and other data in real time. Parameters such as power factor, overvoltage value, voltage loss value, overcurrent value, harmonic distortion rate value, and switching delay can be programmed. There are alarm functions such as overvoltage, overcurrent, undercurrent, and equipment temperature of 60℃ .
? Three-phase or split-phase switching can be realized according to three-phase balanced load and asymmetric load.
? 使用條件 CONDITIONS OF USE
?相對濕度 <85%
?大氣壓力 80 ～ 110kPa
?海拔高度≤ 2000m
?安裝場所應無劇烈的機械震動、無導電性或爆炸性塵埃、無強電場或強磁場、無損壞絕緣及服飾金屬的有害氣體及蒸汽。
?不受陽光直接照射，無雨雪及嚴重霉菌侵襲；安裝傾斜度不大于 50°。
? Relative humidity <85%
? Atmospheric pressure 80 ~ 110kPa
? Altitude ≤ 2000m
? Installation site should be free of severe mechanical vibration, no conductive or explosive dust, no strong electric field or strong magnetic field, no damage to insulation and harmful gases and vapors of clothing metal.
? It is not exposed to direct sunlight, no rain or snow and severe mold attack; the installation inclination is not more than 50° .
