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71. 发明专利

JPH0241618A HIGH-SPEED SEPARATION AND RESTORATION SYSTEM OF TROUBLE OF DISTRIBUTION LINE 失效
公开(公告)号：JPH0241618A
公开(公告)日：1990-02-09
申请号：JP18786488
申请日：1988-07-27
申请人： CHUBU ELECTRIC POWER , MITSUBISHI ELECTRIC CORP
发明人： FUJIKI TOSHISADA , KONDO TAIKICHI , TAKEDA MASATOSHI , EBIZAKA TOSHINOBU
IPC分类号： H02H7/26
摘要： PURPOSE:To improve the reliability of the supply of a distribution system largely by combining and using a current circulation type pilot wire relay deciding a trouble section at high speed and static type switches installed at each sectional point. CONSTITUTION:When the trouble of a short circuit or a ground fault is generated at the point F of a section 102, current circulation type pilot-wire protective relays 63, 64 respond by the exchange of a current input through a pilot 602, a static type switch 711 is opened by the operation of the pilot-wire protective relay 63, and an opening command is emitted to a static type switch 712 by the working of the pilot-wire protective relay 64. Since the pilot-wire protective relays 63, 64 respond, on the other hand, a closing command is transmitted to a loop-point static type switch 700 through an information transmission line not shown. Accordingly, after trouble is generated, the static type switches 711, 712 at both ends of a trouble corresponding section respond at high speed while the loop static type switch 700 treated in normally opening is closed, thus restoring the voltage sections 101, 103 except the trouble section at approximately the same time as trouble is eliminated.

72. 发明专利

JPH0150176B2 失效
公开(公告)号：JPH0150176B2
公开(公告)日：1989-10-27
申请号：JP8414581
申请日：1981-05-29
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAKEDA MASATOSHI
IPC分类号： G05F1/24 , H02J3/12

73. 发明专利

JPS6412176B2 失效
公开(公告)号：JPS6412176B2
公开(公告)日：1989-02-28
申请号：JP7794282
申请日：1982-05-07
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAKEDA MASATOSHI
IPC分类号： G05F1/44 , G05F1/70 , H02J3/18 , H02M1/08 , H03K17/082 , H03K17/10

74. 发明专利

JPS6336004B2 失效
公开(公告)号：JPS6336004B2
公开(公告)日：1988-07-18
申请号：JP3794980
申请日：1980-03-24
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAKEDA MASATOSHI
IPC分类号： G05F1/24 , G05F1/30

75. 发明专利

JPS61269620A ENERGY STORAGE APPARATUS 失效
公开(公告)号：JPS61269620A
公开(公告)日：1986-11-29
申请号：JP11141785
申请日：1985-05-22
申请人： MITSUBISHI ELECTRIC CORP
发明人： TAKEDA MASATOSHI
IPC分类号： H02J15/00 , H01L39/14

76. 发明专利

JPS61119016A Direct current transformer 失效
标题翻译：直流电流互感器
公开(公告)号：JPS61119016A
公开(公告)日：1986-06-06
申请号：JP23942784
申请日：1984-11-15
申请人： Mitsubishi Electric Corp
发明人： TAKEDA MASATOSHI
IPC分类号： H01F38/40 , H01F40/12
CPC分类号： H01F38/40
摘要： PURPOSE:To enable to let a direct current transformer work in the region having excellent magnetic characteristics and linearity of an iron core by a method wherein a bias winding is provided on the iron core of the direct current transformer, and a constant bias current is applied to the bias winding at all times. CONSTITUTION:A bias current I3 is always applied to a bias winding 13 from a DC power source q4 in the direction as shown by the arrows in the diagram. When the number of turns of the bias winding 13 is set at n3, the number of turns of the primary winding 9 is set at n1 and the number of turns of secondary windings 7a and 7b is set at n2, the secondary current I2 runs in the intensity equal to (n3/n2)I3, because the bias current I3 is cancelled when the primary current is I1=0. As a result, the magnetic characteristics of an iron core can be biased, and the direct current transformer can be in the almost linear region of the region B.
摘要翻译：目的：通过在直流变压器的铁芯上设置偏置绕组并施加恒定偏置电流的方法，能够使直流变压器在具有优良的磁特性和铁心线性的区域中工作在任何时候对偏置绕组。构成：在图中箭头所示的方向上，偏置电流I3总是从直流电源q4向偏置绕组13施加。当偏置绕组13的匝数设定为n3时，初级绕组9的匝数设定为n1，次级绕组7a和7b的匝数设定为n2，次级电流I2在强度等于（n3 / n2）I3，因为当初级电流为I1 = 0时偏置电流I3被消除。结果，铁芯的磁特性可以被偏置，并且直流变压器可以在区域B的几乎线性区域中。

77. 发明专利

JPS61109426A Static type reactive power compensator 失效
公开(公告)号：JPS61109426A
公开(公告)日：1986-05-27
申请号：JP22886784
申请日：1984-11-01
申请人： Mitsubishi Electric Corp
发明人： TAKEDA MASATOSHI , SASHITA NOBUO
IPC分类号： G05F1/70 , H02J3/18
CPC分类号： H02J3/1864 , Y02E40/12

78. 发明专利

JPS6185075A Protecting circuit of thyristor converter 失效
标题翻译：保护电路转换器的电路
公开(公告)号：JPS6185075A
公开(公告)日：1986-04-30
申请号：JP20385184
申请日：1984-09-28
申请人： Mitsubishi Electric Corp
发明人： TAKEDA MASATOSHI
IPC分类号： H02M7/66 , H02M7/757
CPC分类号： H02M7/757
摘要： PURPOSE:To inexpensively provided a protecting circuit by monitoring the reverse voltage applying period of a thyristor element by using the AC input voltage of a thyristor converter, thereby simplifying a circuit configuration. CONSTITUTION:A power system bus 1 drives through a transformer 2, a thyristor converter 4 and a thyristor inverter 5 a synchronous motor 8. In this case, a voltage transformer 18d as a voltage detector, a reverse voltage application monitor 19 and a gate pulse generator 23 are provided. Thus, when an AC input voltage varies within the prescribed period from a commutation point when a signal is output from the secondary signal generator of the monitor 19 so that the first signal generator outputs a signal, the generator 23 is driven by the AND conditions of the outputs of the both circuits to apply a gate fire signal to the arm of the thyristor converter 4 which is commutated so that the current becomes zero, thereby rectifying it. Thus, it can prevent the thyristor element from damaging due to the partial turning OFF phenomenon.
摘要翻译：目的：通过使用晶闸管转换器的交流输入电压监视可控硅元件的反向施加周期，从而廉价地提供保护电路，从而简化电路配置。构成：电力系统总线1通过变压器2，晶闸管转换器4和晶闸管反相器5驱动同步电动机8.在这种情况下，作为电压检测器的电压互感器18d，反向电压施加监视器19和栅极脉冲发电机23。因此，当在从监视器19的次级信号发生器输出信号的换流点的规定时段内AC交流输入电压变化，使得第一信号发生器输出信号时，发电机23由与两个电路的输出将栅极点火信号施加到晶闸管转换器4的臂，该晶体管转换器4被整流，使得电流变为零，从而对其进行整流。因此，可以防止由于部分关断现象而导致的可控硅元件损坏。

79. 发明专利

JPS59206916A Overvoltage protective circuit of reactive power compensating device 失效
标题翻译：反应电力补偿装置的过电压保护电路
公开(公告)号：JPS59206916A
公开(公告)日：1984-11-22
申请号：JP8294783
申请日：1983-05-10
申请人： Mitsubishi Electric Corp
发明人： TAKEDA MASATOSHI
IPC分类号： G05F1/70 , H02H3/20 , H02H7/12 , H02J3/18
CPC分类号： G05F1/70
摘要： PURPOSE:To lower the dielectric strength of a thyristor switch and capacitor, by turning off the thyristor switch synchronously to a point of time when no overvoltage is impressed upon the capacitor when the thyristor switch is wrongly ignited. CONSTITUTION:When a thyristor switch 4 is wrongly ignited and an overcurrent flows, a comparator circuit 14 detects the overcurrent and sets a flip-flop 22 through an OR circuit 19. The output signal of the flip-flop 22 is inputted into a gate igniting signal generating circuit 28 through an OR circuit 26 and a gate igniting signal Sg is stopped. In case where a capacitor voltage VC exceeds an overvoltage level at the time when a capacitor current IC becomes zero, each output signal of comparator circuits 13a and 13b is inputted into the gate igniting signal generating circuit 28 and the gate igniting signal Sg is given to the thyristor 4. When such an arrangement is made, impression of an overvoltage upon the thyristor and capacitor can be prevented.
摘要翻译：目的：为了降低晶闸管开关和电容器的介电强度，通过将晶闸管开关同步关闭到在晶闸管开关错误点亮时电容器上没有过压的时间点。构成：当晶闸管开关4被错误地点亮并且过电流时，比较器电路14检测过电流并且通过OR电路19设置触发器22.触发器22的输出信号被输入到门点火信号发生电路28通过OR电路26和门点亮信号Sg停止。当电容器电压VC超过电容电流IC为零时的过电压电平的情况下，将比较电路13a，13b的各输出信号输入到栅极点亮信号生成电路28，将门点亮信号Sg赋予晶闸管4.当进行这种布置时，可以防止在晶闸管和电容器上产生过电压。

80. 发明专利

JPS58195433A Reactive power compensating device 失效
公开(公告)号：JPS58195433A
公开(公告)日：1983-11-14
申请号：JP7794182
申请日：1982-05-07
申请人： Mitsubishi Electric Corp
发明人： TAKEDA MASATOSHI
IPC分类号： G05F1/70 , H02J3/18
CPC分类号： Y02E40/30

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