专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明申请

WO1998005109A1 METHOD AND DEVICE FOR MAINTAINING ELECTRIC POWER SUPPLY IN A MULTIPHASE ELECTRIC ENERGY DISTRIBUTION NETWORK 审中-公开
标题翻译：在多相电力分配网络中维护电力供应的方法和装置
公开(公告)号：WO1998005109A1
公开(公告)日：1998-02-05
申请号：PCT/FR1997001352
申请日：1997-07-21
申请人： ELECTRICITE DE FRANCE - SERVICE NATIONAL , LEITLOFF, Volker , BERTHET, Luc
发明人： ELECTRICITE DE FRANCE - SERVICE NATIONAL
IPC分类号： H02J03/26
CPC分类号： H02J3/26 , Y02E40/50
摘要： This method for maintaining electric power supply in an electric energy distribution network, in the event of a fault on one phase, consists in the following steps: detecting the fault and connecting it to earth to cancel the fault current; computing an asymmetric current (IKDD) comprising a first component representative of the balance error in the absence of fault and a second component representative of the fault current, computing the difference between the said asymmetric current (IKDD) and a threshold value based on the value of the asymmetric current in the absence of fault so as to verify the cancellation of the fault current and maintaining the electric energy supply if the computed value of the asymmetric current (IKDD) is less than the said threshold value.
摘要翻译：在一个阶段发生故障的情况下，在电力分配网络中维持电力供应的方法包括以下步骤：检测故障并将其连接到地线以消除故障电流; 计算不对称电流（IKDD），其包括表示无故障时的平衡误差的第一组件和表示故障电流的第二组件，基于该值计算所述非对称电流（IKDD）与阈值之间的差的非对称电流，以便在非对称电流（IKDD）的计算值小于所述阈值时验证故障电流的消除并维持电能供应。

2. 发明申请

WO1990001230A1 SWITCHED ELECTRICAL POWER CONVERSION AND BALANCING 审中-公开
标题翻译：开关电力转换与平衡
公开(公告)号：WO1990001230A1
公开(公告)日：1990-02-08
申请号：PCT/AU1989000306
申请日：1989-07-20
申请人： POWER REFLEX PTY. LTD.
发明人： POWER REFLEX PTY. LTD. , PIECHNICK, John, Joseph
IPC分类号： H02J03/26
CPC分类号： H02J7/32 , H02M7/483 , H02M7/758 , H02M2007/4803 , Y10T307/50 , Y10T307/658
摘要： The invention relates to a converter which can operate as a rectifier to rectify alternating current into direct current running in one direction (for example to charge batteries) or a converter where DC (from the batteries) can be converted to AC and supplement AC power, for example to supplement an alternator output in peak load conditions. The converter comprises a uni-directional electrical energy source (B1) and a bi-directional energy source (B2) which is capable of initiating an alternating current when controlled by thyristors (Q1a Q1b - Q6a Q6b) fired in sequence and with such periods that a sine wave can be simulated. The switches are controlled by a thyristor trigger logic circuit control unit which may for example be a microprocessor.

3. 发明申请

WO1995000991A1 MAINS PHASE DETERMINATION 审中-公开
标题翻译：主要阶段确定
公开(公告)号：WO1995000991A1
公开(公告)日：1995-01-05
申请号：PCT/GB1994001392
申请日：1994-06-27
申请人： FARNSWORTH, William, David +hm , FARNSWORTH, Olga +hf , REMOTE METERING SYSTEMS LTD. , SCHOLEFIELD, David, Roger , FISHER, Edward, John, Dolby , ALLISON, Robert, Joseph
发明人： FARNSWORTH, William, David +hm , FARNSWORTH, Olga +hf , REMOTE METERING SYSTEMS LTD. , FARNSWORTH, Stephen +di
IPC分类号： H02J03/26
CPC分类号： H02J13/0051 , G01R29/16 , Y02B90/263 , Y02E60/783 , Y04S40/123
摘要： A remote metering system comprises a multi-phase mains supply system (10) having a control unit (CS) and a plurality of single-phase consumer meter units (M1-M3) with messages passing between the meter units and the control unit. For phase determination, the control unit and each meter unit includes synchronizing means (CTR1) for synchronizing its message processing to its phase of the mains supply (or one particular phase, for the control unit). The relative phases of the control unit and a meter unit can then be determined, by a comparator (17), from the timing of a message passing between them relative to the phases to which those units are synchronized.
摘要翻译：远程计费系统包括具有控制单元（CS）和多个单相消费者电表单元（M1-M3）的多相市电供应系统（10），其中消息在仪表单元和控制单元之间通过。对于相位确定，控制单元和每个仪表单元包括同步装置（CTR1），用于使其消息处理与其电源的相位（或控制单元的一个特定阶段）同步。然后，控制单元和仪表单元的相对相位可以由比较器（17）从它们之间的消息相对于这些单元同步的相位的定时的定时来确定。

4. 发明申请

WO1990009695A1 A DEVICE WITH A MULTI-PHASE LOAD, A STATIC CONVERTER AND CHOKE COILS 审中-公开
标题翻译：具有多相负载的装置，静态转换器和选择线圈
公开(公告)号：WO1990009695A1
公开(公告)日：1990-08-23
申请号：PCT/CH1990000021
申请日：1990-01-30
申请人： EUROPE PATENT LIMITED , VOET, Eduard, Josef
发明人： EUROPE PATENT LIMITED
IPC分类号： H02J03/26
CPC分类号： H02J3/26 , Y02E40/50
摘要： The device comprises choke coils (6), each allocated to a phase and wound on a shared magnet core in the same direction and with the same number of turns. The choke coils (6) are connected in series on one phase line (3, 5) each between the converter (1) and the load (4) to power the multi-phase load (4). The load may, in particular, be a multi-phase asynchronous motor. The choke coils (6) and the magnet core may be arranged as the equivalent of a power supply transformer on the frequency and power of the converter (1) in order to smooth defects in the electromagnetic symmetry of the load (4), or as the equivalent (1) of a mains filter on the frequency and power of converter (1) ''spikes'' in order to cancel out these spikes on the phase (3) concerned. In this case each choke coil (6) has a central terminal (7) connected via a capacitor (11) to a reference terminal (12) leading to a reference pole for the internal d.c. power supply of the converter (1) in order to transform the spikes in the ratio -1:1 and apply the transformed spikes to the reference terminal (12). A further capacitor (13) is preferably connected in parallel with each choke coil (6) to set its resonant frequency. An additional coil may be fitted on the magnet core for use as the secondary winding of a power supply transformer.
摘要翻译：该装置包括扼流线圈（6），每个扼流圈（6）分别分配给一个相并以相同的匝数卷绕在共享的磁芯上。扼流线圈（6）串联连接在转换器（1）和负载（4）之间的一相线（3,5）上，以对多相负载（4）供电。负载尤其可以是多相异步电动机。为了平滑负载（4）的电磁对称性的缺陷，可以将扼流线圈（6）和磁芯作为等效于电源变压器的转换器（1）的频率和功率，为了消除相关阶段（3）上的这些尖峰，电源滤波器的等效（1）对转换器（1）“尖峰”的频率和功率的影响。在这种情况下，每个扼流线圈（6）具有通过电容器（11）连接到参考端子（12）的中心端子（7），其通向用于内部直流的参考极。转换器（1）的电源，以便以-1:1的比率转换尖峰，并将变换的尖峰施加到参考端子（12）。另外的电容器（13）优选地与每个扼流线圈（6）并联连接以设定其谐振频率。附加的线圈可以安装在磁芯上，用作电源变压器的次级绕组。

5. 发明申请

WO1996034443A1 BALANCER EXECUTED WITH Z-CONNECTED WINDINGS 审中-公开
标题翻译：用Z连接的绕线执行平衡
公开(公告)号：WO1996034443A1
公开(公告)日：1996-10-31
申请号：PCT/SE1996000557
申请日：1996-04-26
申请人： LUNDMARK, Martin , HAGELBERG, Janolof
IPC分类号： H02J03/26
CPC分类号： H02J3/26 , Y02E40/50
摘要： The balancer is intended for use in a power supply unit to permit improvement of the balance in an electrical three-phase system, whereby the balancer functions for example as a filter and, when used in a measurement apparatus, to permit the formation of a stable reference point with regard to the amplitude, phase and frequency of electrical quantities in a three-phase system. The balancer is characterised specifically in that, for each phase in the three-phase system, it comprises a separate toroidal magnetic core (12, 14 and 16), on which are arranged at least two mutually electrically isolated windings (18, 20; 22, 24; and 26, 28), which are Z-connected.
摘要翻译：平衡器旨在用于电源单元以允许改善电三相系统中的平衡，由此平衡器用作例如过滤器，并且当在测量装置中使用时，允许形成稳定的关于三相系统中电量的幅度，相位和频率的参考点。平衡器的特征在于，对于三相系统中的每个相，它包括单独的环形磁芯（12,14和16），其上布置有至少两个相互电隔离的绕组（18,20; 22 ，24;和26,28），它们是Z连接的。

6. 发明申请

WO1994029939A1 PROCESS AND DEVICE FOR REDUCING ASYMMETRIC VOLTAGES IN A THREE-PHASE SYSTEM BY MEANS OF A STATIC COMPENSATOR 审中-公开
标题翻译：方法和装置以降低电压在三相系统使用的是静态补偿器
公开(公告)号：WO1994029939A1
公开(公告)日：1994-12-22
申请号：PCT/DE1993000478
申请日：1993-06-03
申请人： SIEMENS AKTIENGESELLSCHAFT , BERGMANN, Klaus
发明人： SIEMENS AKTIENGESELLSCHAFT
IPC分类号： H02J03/26
CPC分类号： H02J3/26 , H02J3/18 , H02J3/1864 , Y02E40/12 , Y02E40/30 , Y02E40/50
摘要： The invention relates to a process and a device for reducing asymmetries ( DELTA V12, DELTA V23, DELTA V31) in a three-phase system (42) by means of a static compensator. According to the invention, superimposed on a generated mean susceptance (BSVC) of the static compensator is a correcting signal ( DELTA B12, DELTA B23, DELTA B31) which is proportional to an asymmetry ( DELTA V12, DELTA V23, DELTA V31) found by comparing the conductor-conductor voltages ( DELTA V12, DELTA V23, DELTA V31) found from measured conductor-earth voltages ( DELTA V01, DELTA V02, DELTA V03) in pairs. It is thus possible easily to reduce asymmetries ( DELTA V12, DELTA V23, DELTA V31) in the three-phase system (42).
摘要翻译：本发明涉及一种用于由静态补偿器的装置中的三相网络（42）的不对称还原（DELTA V12，V23 DELTA，DELTA V31）的方法和装置。根据本发明，所产生的电纳（BSVC）叠加在静态补偿器在每种情况下与校正信号（DELTA B12，DELTA B23，DELTA B31），每个正比于不平衡（DELTA V12，DELTA V23，DELTA V31）中，由两两比较所确定的值相位到从所测量的线对地电压（V01，V02，V03）的相电压（V12，V23，V31）被确定。因此，不对称（DELTA V12，V23 DELTA，DELTA V31）是在三相系统（42）被简化为简单的方式。

你已经成功收藏专利！

检索式保存成功!

IPRDB

热门服务

关于我们

友情链接

联系方式