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1. 发明专利

JPH0255531A POWER SYSTEM MONITORING CONTROL APPARATUS 失效
公开(公告)号：JPH0255531A
公开(公告)日：1990-02-23
申请号：JP20594688
申请日：1988-08-19
申请人： TOKYO ELECTRIC POWER CO , TOSHIBA CORP
发明人： SUZUKI MAMORU , AMAMIYA MASAHIKO , KATO TOSHIO , ICHIKAWA TADASHI , SATO MASAHIRO , SUZUKI WAKAKO
IPC分类号： H02J3/00 , H02J13/00
摘要： PURPOSE:To feed the power of high quality by controlling voltage precedently on a power. CONSTITUTION:In a line information transmitting processing S10, various measured values for showing the state of a power system 1 measured at respective sections are collected. By a system state determining processing means S20, through the measured value of the previous processing means S10, the state of the power system 1 is determined, and by a future system state estimating processing means S30, a system state at a future time point is determined based on the result of the previous processing means S20. By a stability threshold computation processing means S40, the result of the previous processing means S30 is set to be an initial result and a voltage stable-threshold is found, and by a stability monitoring processing means S50, the results of the previous processing means S30, S40 are used, and the voltage stability of the future power system 1 is discriminated, and when it is discriminated that the voltage is unstable, then by a control quantity computation processing means S60, the results of the previous processing means S30 and S50 are used, and a controlled equipment and control quantity for stabilizing future system voltage are found, and by a control quantity transmitting processing means S70, the control quantity is transmitted to the controlled equipment and is controlled. Finally, from an output processing means S80, the output of the various results of the previous processing means S20-S60 is directed to an MMI device 5.

2. 发明专利

JPH0479726A POWER FLOW COMPUTATION SYSTEM WITH VOLTAGE REGULATION 失效
公开(公告)号：JPH0479726A
公开(公告)日：1992-03-13
申请号：JP19235190
申请日：1990-07-20
申请人： TOKYO ELECTRIC POWER CO , TOSHIBA CORP
发明人： SUZUKI MAMORU , WADA SUSUMU , ICHIKAWA TADASHI
IPC分类号： H02J3/12
摘要： PURPOSE:To calculate the amount of control of a voltage adjusting apparatus even under the condition that the convergence of computation of voltage and power flow is impossible, by calculating an iteration approximation which satisfies the upper and lower limit values of operation of a bus voltage and the amount of control of the voltage regulating apparatus which is necessary therefor. CONSTITUTION:An iteration approximation calculating process 4 determines sequentially voltage approximations 12 with improved precision. A phase modifying equipment group adjusting process 5 adjusts the amount of make of a phase modifying equipment group so that the voltage approximations 12 may satisfy the upper and lower limit values of an allowable voltage. A transformer tap adjusting process 6 adjusts the position of a transformer tap so that the voltage approximations 12 may satisfy the upper and lower limit values of the allowable voltage. A generator terminal voltage adjusting process 7 adjusts a terminal voltage so that a generator reactive power output may not deviate from a rated range.

3. 发明专利

JPH10201075A SETTING SELECTOR FOR PROTECTIVE RELAY 失效
公开(公告)号：JPH10201075A
公开(公告)日：1998-07-31
申请号：JP1190097
申请日：1997-01-08
申请人： TOSHIBA CORP
发明人： ICHIKAWA TADASHI
IPC分类号： H02H3/02
摘要： PROBLEM TO BE SOLVED: To provide a setting selector for a protective relay which can easily select and manage the setting regardless of the form of the relay constituting a protective relay. SOLUTION: For the fault within the protection block of a protective relay device and outside the adjacent protection block, this setting selector computes the quantity of electricity at fault viewed from a protective relay device with a quantity-of-electricity-at-fault computing means 15, and based on the quantity of electricity at fault computed with the quantity-of-electricity-at-fault computing means 15, this decides the setting target values of a plurality of relays constituting the protective relay with a set value deciding means 16. Then, an optimum tap abstracting means 17 analyses the conditions of restricting the setting range of a single column stored in a relay form vs. setting range data base 7 and expressed by the text based on the grammatical construction rules, and abstracts the setting tap value which satisfies the duty of each relay so that it may fulfill the setting target value.

4. 发明专利

JP2003092834A POWER METER, SIMULTANEOUS EQUAL AMOUNT CONTROLLER, AND PROGRAM 审中-公开
公开(公告)号：JP2003092834A
公开(公告)日：2003-03-28
申请号：JP2002059168
申请日：2002-03-05
申请人： TOSHIBA CORP
发明人： MURAI MASAHIKO , ICHIKAWA RYOICHI , KATO MASAICHI , TSUZUKI TATSUO , MASUDA FUMIO , KAINO YASUO , NAKAMURA KENGO , ICHIKAWA TADASHI , SHIRATA YOSHIHIRO , HIGASHIDA EMI
IPC分类号： G01R21/00 , H02J3/46
摘要： PROBLEM TO BE SOLVED: To execute simultaneous equal amount control in consideration of power loss factor. SOLUTION: This power meter is equipped with a computer 122 which materializes a zone deviation computing function for computing the control deviation of a zone 1, where the power loss factor between a received power value and a supply power value is taken into consideration, by correcting at least either the value of the received power outputted from power generation facilities 103G1-103G3 belonging to a zone 1 and received with a corresponding power transmission facility 100A1 in the zone 1, or the value of the supply power to a consumer L1 using the power loss factor in the zone 1, a zone power generation adjustment quantity computing function for computing the quantity of power generation adjustment of the power generation facilities 103G1-103G3, for setting the control deviation within a range requested in a simultaneous equal amount control system, using the computed control deviation, a power generation adjustment quantity distributing function for controlling the power generation output of a corresponding power generation facility, using the computed quantity of power generation adjustment of the power generation facilities 103G1-103G3, and a power generation command value computing function.

5. 发明专利

JPH11308772A POWER SYSTEM MONITORING CONTROL SYSTEM AND STORAGE MEDIUM THEREOF 失效
公开(公告)号：JPH11308772A
公开(公告)日：1999-11-05
申请号：JP644799
申请日：1999-01-13
申请人： TOSHIBA CORP
发明人： KITAHARA HIROTAKA , ICHIKAWA TADASHI , SHINBA YOSHIHIKO , HAMANISHI HIROSHI , TANIGAWA TAKASHI
IPC分类号： H02J3/00 , H02P9/00
摘要： PROBLEM TO BE SOLVED: To reduce the load on a power plant by eliminating the wasteful switching of a boiler. SOLUTION: An economic load distribution(ELD) calculation is executed by the file data of an assumption total consumption file 11, a current generator output file 12, a limitation value file 13, and the output schedule value up to a specified amount of time of each generator is calculated, but the generation output adjustment instruction of each generator is outputted, and limitation is made from an output adjustment direction determining means 31 for determing the global output adjustment direction from assumed total consumption. an auxiliary machine switching condition setting means for setting in advance the boiler capturing auxiliary machine switching condition of a boiler for generation, and a boiler auxiliary machine switching condition and boiler auxiliary machine switching output for limiting as much as possible the switching of the boiler auxiliary machine. The, when the perspective output adjustment direction is determined, a limitation value is make limited along the output adjustment direction, thus eliminating wasteful boiler auxiliary machine switchings.

6. 发明专利

JPH05344647A 失效
公开(公告)号：JPH05344647A
公开(公告)日：1993-12-24
申请号：JP15168092
申请日：1992-06-11
申请人： TOSHIBA CORP
发明人： ICHIKAWA TADASHI
IPC分类号： G05B23/02 , G08B21/00 , G08B23/00 , H02J3/00 , H02J13/00
摘要： PURPOSE:To make it possible to confirm the content of alarm upon occurrence thereof while sustaining a series of operations of an operator by providing a half screen display means for displaying a small screen summarizing abnormal information of a power system on a part of current screen while superposing thereon. CONSTITUTION:When an operator depresses a half screen display button 8, a process interface unit 4 delivers an interruption signal to a computor 1 to actuate a half screen display means 300. The half screen display means 300 edits screen format data 50 and abnormal value data 60 and transmits the data thus edited, as a spot display on a current screen, to a CRT controller 2. Abnormal information of power system is thereby displayed on a part of current screen of CRT unit 3 and contributes to enhance operability.

7. 发明专利

JP2014014211A Power system monitoring control system 有权
标题翻译：电力监控系统
公开(公告)号：JP2014014211A
公开(公告)日：2014-01-23
申请号：JP2012150015
申请日：2012-07-03
申请人： Toshiba Corp , 株式会社東芝 , Toshiba Syst Technol Corp , 東芝システムテクノロジー株式会社
发明人： SUGAWARA ATSUSHI , ICHIKAWA TADASHI , MORI KEIKO , YAMADA MITSUKAGE , YAMAGUCHI YOSHIHIRO , KITANI MOTOKI , KIKUCHI NOBUYUKI
IPC分类号： H02J13/00 , H02J3/00 , H02J3/32 , H02J3/46 , H02J7/34 , H02J7/35
CPC分类号： Y02E40/72 , Y02E60/722 , Y02E70/30 , Y04S10/123 , Y04S10/14
摘要： PROBLEM TO BE SOLVED: To provide a power system monitoring control system capable of performing, with surplus power, charging and discharging of storage batteries connected with a plurality of power systems.SOLUTION: The power system monitoring control system, controlling switching operations of an electrical switchgear provided on a linkage line for linking a plurality of power systems each being installed with a storage battery, includes a communication section and an arithmetic section. The communication section acquires the charge state amount of the storage batteries. The arithmetic section determines whether or not the charge state amount acquired by the communication section is under a predetermined state. The communication section outputs a closing command of the electrical switchgear when a charge state is determined as the predetermined state.
摘要翻译：要解决的问题：提供一种能够与多个电力系统连接的蓄电池的剩余电力，充放电执行的电力系统监视控制系统。解决方案：电力系统监控控制系统，控制电力的开关操作设置在用于连接各自安装有蓄电池的多个电力系统的连接线上的开关装置，包括通信部和运算部。通信部获取蓄电池的充电状态量。运算部判定由通信部获取的充电状态量是否处于规定状态。当充电状态被确定为预定状态时，通信部分输出电气开关装置的关闭指令。

8. 发明专利

JP2003199251A METHOD AND APPARATUS FOR ECONOMICAL LOAD ALLOTMENT OF ELECTRIC POWER SYSTEM AND CONSIGNED POWER 审中-公开
公开(公告)号：JP2003199251A
公开(公告)日：2003-07-11
申请号：JP2001394328
申请日：2001-12-26
申请人： TOSHIBA CORP , TOSHIBA SYST TECH
发明人： MURAI MASAHIKO , KATO MASAICHI , SAKUGI TSUYOSHI , ICHIKAWA RYOICHI , ICHIKAWA TADASHI , KAINO YASUO , NAKAMURA KENGO , TSUZUKI TATSUO
IPC分类号： H02J3/00
摘要： PROBLEM TO BE SOLVED: To provide an economical load allotment method for determining load allotment so that the total sum of power cost is minimized for a given load. SOLUTION: The economical load allotment method for electric power system and consigned power comprises a process in which power costs of a plurality of generator sets wherein the power costs have sectional linear shapes and monotonous increasing concave functions relative to generation outputs are approximated from the power cost data of the generator sets by a linear function; a process in which initial load allotment that the power costs are minimized is computed from the linear function approximated by the concave function and a sectional and monotonous increasing convex function which is the power cost of the other generator set; and a process in which the load allotment that the power cost is reduced as compared with the present power cost is sequentially computed from the initial load allotment value computed so that the power cost is minimized and the power cost data of the plurality of the generator sets until the power cost is not reduced anymore. Thus, the load allotment that the total sum of the power cost is minimized for the given load is possible. COPYRIGHT: (C)2003,JPO

9. 发明专利

JPH0946935A POWER LINE MONITORING SYSTEM 失效
公开(公告)号：JPH0946935A
公开(公告)日：1997-02-14
申请号：JP20916695
申请日：1995-07-25
申请人： TOSHIBA CORP
发明人： ICHIKAWA TADASHI
IPC分类号： H02J13/00 , H02J3/00
摘要： PROBLEM TO BE SOLVED: To perform monitoring on reliability to the assumed accident of the power facility in the vicinity of a lighting area. SOLUTION: In addition to a power line monitoring system which warns an operator of abnormality at the time of abnormality of a power system by inputting the observation value of a power system and lighting information into an electronic computer through an information transmitter, this is composed of an assumed accident making means 100 which selects the assumed accident place, based on the contents of a lighting information storage means, and an overload judging means 200 which confirms that there is no overload of the power facility under this assumed accident.

10. 发明专利

JPH08289456A SETTING CALCULATION SYSTEM FOR POWER SYSTEM PROTECTIVE RELAY 失效
公开(公告)号：JPH08289456A
公开(公告)日：1996-11-01
申请号：JP11508095
申请日：1995-04-17
申请人： TOSHIBA CORP
发明人： ICHIKAWA TADASHI
IPC分类号： H02H3/02
摘要： PURPOSE: To provide a system for calculating the setting of protective relay in any operating pattern. CONSTITUTION: The setting calculation system for power protective relay comprises a setting reference calculation means 100 for determining severest system conditions for the duty of a protective relay to be set and an electric quantity inputted to the objective relay under the severest system conditions, means 300 for inputting a basic setting formula being set by an operator through an input unit, and means 200 for calculating the setting value of the protective relay according to the basic setting formula.

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