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    • 1. 发明申请
    • SOURCE OF ALTERNATING VOLTAGE FOR GAS-CLEANING ELECTROFILTERS
    • 用于气体清洁电磁炉的替代电压源
    • WO1989010198A1
    • 1989-11-02
    • PCT/SU1988000094
    • 1988-04-22
    • GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY ...
    • GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY ...GRINSHTEIN, Boris IliichZHMUROV, Valery PavlovichTIMOSHENKO, Anatoly LukichBEZUGLY, Stanislav LeontievichKOTLYAR, Vladimir Petrovich
    • B03C03/38
    • B03C3/68
    • A source of alternating voltage for gas-cleaning electrofilters provided with means (2) for shaking the electrodes comprises a step-up transformer (10), the primary winding (9) of which is connected, through a thyristor-type voltage regulator (5), to a source of alternating voltage (6), an alternating voltage generator (12), the input of which is connected to the secondary winding (11) of the step-up transformer (10), whereas the output is connected to the corona electrode (4) of the electrofilter (1). To the secondary winding (11) of the step-up transformer (10) is connected a current detector (18) connected to the receiving electrode (3) of the electrofilter (1). To the output of the current detector (18) is connected the input of a control unit (20), the outputs of which are connected to the inputs of the thyristor-type voltage regulator (5) and the alternating voltage generator (12). To the corona and receiving electrodes (3, 4) of the electrofilter (1) is connected a voltage detector (24) in the form of a voltage divider, the output of which is connected to the control unit (20). The source further comprises a unit (25) for dividing the input signal into signals of opposite polarity, the input of which is connected to the voltage detector (24), integrators (31, 32), whose inputs are connected to the corresponding outputs of the unit (25), switching elements (35, 36), the outputs of each of which are connected in parralel to each of the integrators (31, 32), threshold elements (37, 38), whose inputs are connected to the outputs of the integrators (31, 32) and whose outputs are connected to the control unit (20), an ''OR'' logic element (39) the inputs of which are connected to the outputs of the threshold elements (37, 38), and an executing element (40), the input of which is connected to the output of the ''OR'' logic element (39), whereas the output is connected to the means (2) for shaking the electrodes of the electrofilter (1).
    • 2. 发明申请
    • PULSED VOLTAGE SOURCE FOR GAS-CLEANING ELECTROFILTERS
    • 用于气体清洁电动过滤器的脉冲电压源
    • WO1990001993A1
    • 1990-03-08
    • PCT/SU1988000167
    • 1988-08-26
    • GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY ...
    • GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY ...ZHMUROV, Valery PavlovichGRINSHTEIN, Boris IliichSHVARTS, Zinovy LazarevichNAGORNY, Viktor VladimirovichBEZUGLY, Stanislav LeontievichKOTLYAR, Vladimir PetrovichTIMOSHENKO, Anatoly Lukich
    • B03C03/68
    • A01N43/56B03C3/68C07D231/06
    • A pulsed voltage source for gas-cleaning electrofilters comprises a step-up transformer (5), whose primary winding (4) is connected, through a thyristor regulator (1), to a sinusoidal voltage source. To the controlling inputs (15, 16) of the thyristor regulator (1) is connected the output of a control unit (14) whose input is connected to a transmitter (26) of electric parameters of the gas-cleaning electrofilters. The transmitter (26) is connected to the corona and receiving electrodes (10, 12) of the electrofilter (11). The source comprises a rectifying bridge (7), whose inputs are connected to the secondary winding (6) of the step-up transformer (5), a capacitor (17) the first output of which is connected, through a choke coil (19) connected in series with an electronic switch (20), to the corona electrode (10) of the electrofilter (11) and, through a diode (18), to the first output of the rectifying bridge (7), whereas the second output is connected to the receiving electrode (12) of the electrofilter (11) and to the second output of the rectifying bridge (7). The electronic switch (20) is shunted by an oppositely-connected rectifier (21). The output power contact (23) and the controlling input of the electronic switch (20) are connected to a pulse generator (25). The source further comprises a resistor (9) whose first output is connected to the first output of the rectifying bridge (7) and the second output to the corona electrode (10) of the gas-cleaning electrofilter (11).
    • 用于气体净化静电除尘器的脉冲电压源包括升压器(5),升压器(5)的初级绕组(4)通过晶闸管调节器(1)连接到正弦电压源。 在晶闸管控制器(1)的控制输入端(15,16)连接控制单元(14)的输出端,该控制单元的输入端连接到静电净化器的电参数的发射极(26)。 气体。 发射器(26)连接到静电除尘器(11)的环和接收电极(10,12)。 该电源包括一个整流电桥(7),其输入端连接到升压器(5)的次级绕组(6),一个电容器(17),其第一输出端通过一个扼流圈(19) 串联到电子开关(20),电过滤器(11)的电极电极(10),并通过二极管(18)与整流桥(7)的第一输出端相连,而第二输出端 连接到静电除尘器(11)的接收电极(12)和所述整流桥(7)的第二输出端。 所述电子开关(20)由相反连接的整流器(21)旁路。 输出电流触点(23)和电子开关(20)的控制输出端连接到脉冲发生器(25)。 该源还包括电阻器(9),其第一输出端连接到整流器电桥(7)的第一输出端并且第二输出端连接到气体净化器静电除尘器(11)的环形电极(10)。
    • 4. 发明申请
    • DEVICE FOR CONTROL OF RECTIFIERS
    • 整流器控制装置
    • WO1990002438A1
    • 1990-03-08
    • PCT/SU1988000171
    • 1988-08-26
    • GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY ...
    • GOSUDARSTVENNY NAUCHNO-ISSLEDOVATELSKY ...BEZUGLY, Stanislav LeontievichKOTLYAR, Vladimir PetrovichGRINSHTEIN, Boris IliichZHMUROV, Valery PavlovichTIMOSHENKO, Anatoly Lukich
    • H02M01/08
    • H02M7/19H02M1/088
    • A device for the control of rectifiers which are interconnected in series into four sections (1, 2, 3, 4) comprises a first group (6) of current transformers (7, 8, 9), the first winding (10) of one of which is connected to the output of a generator (11) of controlling current pulses, and further comprises a second group (12) of current transformers (13), the number of which corresponds to that of the rectifiers (5) and which are interconnected, correspondingly to the sections (1, 2, 3, 4) of the rectifiers (5), into sections (14, 15, 16, 17) consisting each of an equal number of current transformers (13), the primary windings (18) of which are inter-connected in series into cascades, whereas their secondary windings (19) are electrically connected to the controlling inputs (22) of the rectifiers (5). The outputs of the secondary winding (25) of the current transformer (7) are connected in series to the the primary windings (10) of the other two transformers (8, 9) of the first group (6) and to primary windings (18) of the middle sections (15, 16) of the current transformers (13) of the second group (12). The outputs of the secondary windings (25) of the two current transformers (8, 9) of the first group (6) are connected to the outputs of the primary windings (18) of the cascade of the outer sections (14, 17) of the current tranformers (13) of the second group (12). The device further comprises two resistors (28, 29), connected in series, the common output (30) of which is connected to the common output (31) of the two middle sections (2, 3) of the rectifiers (5), whereas the other outputs are connected to the outputs of the secondary winding (25) of the current transformer (7) of the first group (6). In parallel to each outer section (1, 4) of the rectifiers (5) are connected capacitors (33, 34).