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- Keywords EHV transmission line;protective relay;Adaptive residual current compensation;phase selection;power swing blocking; 超高壓線(xiàn)路;繼電保護;按相補償;阻抗選相;振蕩閉鎖;
- The IDB-2 type residual current operated protection tester was introduced. 介紹了IDB-2型剩余電流動(dòng)作保護測試儀。
- In the Huanghai Sea, tide-induced residual current is also an important part of its circulation. 在黃海，潮致余流也是黃海環(huán)流的重要組成部分。
- The UPQC(unified power quality controller)combines the functions of a voltage compensator,a current compensator and an energy storage device. 統一電能質(zhì)量控制器(UPQC)集電壓型補償裝置、電流型補償裝置和儲能裝置于一體,統一實(shí)現多重電能質(zhì)量調節功能。
- The socket outlet shall be protected by a 30mA residual current circuit breaker. 電器插座應該由30毫安剩余電流動(dòng)作斷路器進(jìn)行保護。
- It summarizes class,feature,parameter and selection of the residual current device,correct wiring and definition of numher of poles of knife switch. 指出 TN、TT接地系統裝設剩余電流保護器的必要性 ,綜述了剩余電流保護器的種類(lèi)、特點(diǎn)、參數、選擇和正確接線(xiàn)方式以及刀極數的確定。
- The tidal current fields , water-level fields and residual current fields of spring, mean, and neap tides are simulated. 并模擬了大、中、小潮三種潮汛條件下的潮流場(chǎng),水位場(chǎng)及余流場(chǎng)。
- The model results show that around the Jiaozhou Bay there are many residual current eddies differing in size, magnitude and rotation direction. 灣內COD濃度東部比西部高,灣口外的COD濃度等值線(xiàn)成舌狀分布,向東伸展;
- The operating principle and the use of residual current protective device is introduced,and its selection, installation and limi tation are commented. 介紹了剩余電流動(dòng)作保護器的工作原理及其用途，敘述了剩余電流動(dòng)作保護器的選型、安裝及其局限性。
- Reactive current compensator. 無(wú)功補償器。
- The notices of designing were given in order to supply references to the residual current fire alarming system designers. 介紹了剩余電流火災報警系統的相關(guān)規范及適用范圍,闡述了剩余電流引起火災的原因。
- The characters of the tide, tidal current, residual current , the vertical turbulent coefficients in the Beibu Bay are analized with the simulated results. 并由此對北部灣的潮汐、潮流和潮余流以及垂直湍流粘滯系數的分布特征進(jìn)行了分析。
- From the analysis,it can be found that improper L and R will led to overlarge grounding residual current and voltage in the arc-suppression process,being not helpful. 由分析過(guò)程可以得出,電感值和電阻值的大小選擇不合適,將會(huì )在滅弧過(guò)程中產(chǎn)生過(guò)大的接地殘流或后期過(guò)高的過(guò)電壓水平,不利于電弧的快速熄滅。
- This residual current circuit breaker can solve problems of protection of people electric shock, and has the function of electric fire automatic protection. 該漏電斷路器既能解決人身電擊保護的問(wèn)題,又有自動(dòng)防止電氣火災的功能,推廣應用前景廣闊。
- Abstract: The operating principle and the use of residual current protective device is introduced,and its selection, installation and limi tation are commented. 文摘:介紹了剩余電流動(dòng)作保護器的工作原理及其用途，敘述了剩余電流動(dòng)作保護器的選型、安裝及其局限性。
- The standards and application scopes of residual current alarming system were introduced.The causes that electrical current induced fire were put forth. 介紹了剩余電流火災報警系統的相關(guān)規范及適用范圍,闡述了剩余電流引起火災的原因。
- The 1-min ADCP data were first averaged over 11 minutes to reduce data size, then averaged over 12.4 hours to derive the residual current that contains little M2 tidal component. 分析方法是先將每筆1分鐘的ADCP 資料做11分鐘的平均以減少資料量，再做12.;4小時(shí)的滑動(dòng)平均得出剩馀流速（仍含一部份的全日潮流）。
- This function is sometimes called active and reactive current compensation or line drop compensation. 此功能有時(shí)稱(chēng)為有功和無(wú)功電流補償或線(xiàn)路壓降補償。
- The Euler and Lagrangian residual currents were similar in intensity and direction. 歐拉余流和拉格朗日余流大小和流向基本一致。
- The real time current compensation is realized by the hysterisis current control and the dc side voltage active power filter (APF) is regulated. 采用滯環(huán)電流控制實(shí)現較高頻率電源系統的電流瞬時(shí)補償并對直流側電壓進(jìn)行穩壓調節。
