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1. 发明申请

US20170338660A1 System and Method for Mechanical Load Balancing Using Generator Droop Frequency based on Motor Load Feedback 审中-公开
公开(公告)号：US20170338660A1
公开(公告)日：2017-11-23
申请号：US15489570
申请日：2017-04-17
申请人： Electronic Power Design, Inc.
发明人： JUSTIN ROWDEN
IPC分类号： H02J3/46 , H02J3/06 , H02P9/30 , G06G7/63
CPC分类号： H02J3/46 , F15B2211/6656 , G06G7/63 , H02J3/06 , H02P1/54 , H02P5/747 , H02P9/307 , H02P29/60
摘要： A system for variable speed drives using generators adjusting the motor frequency having a plurality of main generators 1, 2, 3 and 4 as the means of adjusting a plurality of AC motors frequency, a processor is provided that opens a main bus tie breaker in a power system to create two separate power systems, power source A and power source B, wherein power source a is powered by a generator 1 and a generator 2. and power source b is powered by a generator 3 and a generator 4, wherein the generators 1-4 are configured to operate on a droop curve wherein the output frequency of the generator is slightly reduced as the load increases.

2. 发明授权

US09129141B2 Method for modeling a repair in an electric grid 有权
标题翻译：电网维修建模方法
公开(公告)号：US09129141B2
公开(公告)日：2015-09-08
申请号：US13344379
申请日：2012-01-05
申请人： Stuart Gilmour , Steven Sparling
发明人： Stuart Gilmour , Steven Sparling
IPC分类号： G06F17/50 , G06G7/54 , G06G7/63 , G06Q10/00 , H02J3/00 , H02J13/00
CPC分类号： G06G7/63 , G06Q10/00 , H02J3/006 , H02J13/001 , H02J2003/007 , Y02B70/3216 , Y02E60/76 , Y04S10/40 , Y04S10/525 , Y04S20/221 , Y04S40/22
摘要： This disclosure describes methods for use with energy management systems that electric utilities use to manage power distribution networks. The methods can account for changes in phase value that dynamic cross-phasing causes in the power distribution network. In one embodiment, the methods facilitate computer-based modeling of the power distribution network to include such changes in phase value into a connectivity model, which provides a schematic representation of the power distribution network.
摘要翻译：本公开描述了与电力公司用于管理配电网络的能量管理系统一起使用的方法。该方法可以解决配电网络中动态交叉相位引起的相位值的变化。在一个实施例中，这些方法促进配电网络的基于计算机的建模以将相位值的这种改变包括在连接模型中，该连接模型提供了配电网络的示意图。

3. 发明授权

US08972236B2 Method and apparatus for performing real-time, in-the-field switching-order simulation for an electric power system 有权
标题翻译：用于对电力系统进行实时的现场开关顺序仿真的方法和装置
公开(公告)号：US08972236B2
公开(公告)日：2015-03-03
申请号：US13475605
申请日：2012-05-18
申请人： Shuqiang Jin , Lingzhi Pang , Liguo Wan , Jiandong Huang , Hongping Jiang
发明人： Shuqiang Jin , Lingzhi Pang , Liguo Wan , Jiandong Huang , Hongping Jiang
IPC分类号： G06G7/62 , G06G7/63 , G06F1/26
CPC分类号： G06G7/63 , G06F1/263 , G06F2217/78 , H02J3/005 , H02J2003/007 , Y02E60/76 , Y04S40/22
摘要： One embodiment of the present invention provides a system for performing a real-time, in-the-field switching-sequence simulation for a power system that includes a plurality of switching devices. During operation, the system receives, at a hand-held device, topology information associated with the power system, a set of user-definable rules, and a request to perform an operation on a switching device in the power system. In response to the request, the system identifies the switching device from the plurality of switching devices, obtains instant status information associated with the plurality of switching devices, and runs a simulation based on the topology information, the user-definable rules, the status information, and the identified switch device. The system determines whether the operation is allowed based on an outcome of the simulation.
摘要翻译：本发明的一个实施例提供了一种用于对包括多个开关装置的电力系统执行实时的现场切换序列模拟的系统。在操作期间，系统在手持设备处接收与电力系统相关联的拓扑信息，一组用户可定义的规则以及对电力系统中的交换设备执行操作的请求。响应于该请求，系统从多个交换设备识别交换设备，获得与多个交换设备相关联的即时状态信息，并且基于拓扑信息，用户可定义规则，状态信息来运行模拟，以及所识别的开关装置。系统根据模拟的结果确定是否允许操作。

4. 发明授权

US3829669A D.c.analog calculator for rapidly generating electric power system loadflow solutions 失效
标题翻译：用于快速生成电力系统负载流解决方案的直流电机计算器
公开(公告)号：US3829669A
公开(公告)日：1974-08-13
申请号：US25511172
申请日：1972-05-19
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： HALEY P , ENNS M
IPC分类号： G06G7/63 , G06G7/62
CPC分类号： G06G7/63 , Y10T307/549
摘要： An analog loadflow calculator includes a modularized analog network simulator which includes modular circuits representative of power system buses, lines, generators and loads and interconnected to simulate the power system. The modular generator circuits, load circuits and line circuits provide currents to be summed at appropriate bus circuits. The simulator operates to force observance of current and voltage laws and to provide the bus voltage solution.

5. 发明授权

US3825732A Hybrid power system modules 失效
标题翻译：混合动力系统模块
公开(公告)号：US3825732A
公开(公告)日：1974-07-23
申请号：US25524672
申请日：1972-05-19
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： HALEY P , ENNS M
IPC分类号： G06G7/06 , G06G7/63 , G06G7/62
CPC分类号： G06G7/63 , G06G7/06
摘要： Loadflow computer arrangements include a modularized analog network simulator which includes modular circuits representing power system generators and loads, as well as buses and lines. The modular generator circuit generator is constrained by scheduled generator electrical power and voltage magnitude values, and the modular load circuit is constrained by scheduled load power values. The modular bus, line, generator and load circuits are interconnected to simulate the power system and operate to force currents and voltages to satisfy current and voltage laws to provide the bus voltage solution.
摘要翻译：负载流计算机配置包括模块化模拟网络模拟器，其包括代表电力系统发电机和负载的模块化电路，以及总线和线路。模块化发电机电路发电机受到预定的发电机电功率和电压幅值的约束，模块化负载电路受预定负载功率值约束。模块化总线，线路，发电机和负载电路互连以模拟电力系统，并操作以强制电流和电压满足电流和电压定律以提供总线电压解决方案。

6. 发明授权

US3254202A Automatic swing curve calculator and plotter used to indicate transient stability ofpower generators 失效
标题翻译：自动摆幅曲线计算器和绘图仪用于表示发电机的瞬态稳定性
公开(公告)号：US3254202A
公开(公告)日：1966-05-31
申请号：US23516462
申请日：1962-11-02
申请人： TUTTLE KENNETH A
发明人： TUTTLE KENNETH A
IPC分类号： G06G7/63
CPC分类号： G06G7/63 , Y10T307/576

7. 发明授权

US2491095A Network analyzer 失效
标题翻译：网络分析仪
公开(公告)号：US2491095A
公开(公告)日：1949-12-13
申请号：US56436544
申请日：1944-11-20
申请人： ENNS WALDO E
发明人： ENNS WALDO E
IPC分类号： G06G7/63
CPC分类号： G06G7/63 , Y10S29/051

8. 发明授权

US09111057B2 Method for predicting arc flash energy and PPE category within a real-time monitoring system 有权
公开(公告)号：US09111057B2
公开(公告)日：2015-08-18
申请号：US14496862
申请日：2014-09-25
申请人： Power Analytics Corporation
发明人： Branislav Radibratovic , Ali Nasle
IPC分类号： G06F7/60 , G06F17/10 , G06G7/48 , G06F17/50 , G06F1/26 , G05B13/04 , G05B17/02 , G06G7/63 , H02J3/00 , G06N7/00 , H02H1/00
CPC分类号： G06F17/5009 , G05B13/048 , G05B17/02 , G06F1/26 , G06F17/10 , G06F17/5036 , G06F2217/04 , G06F2217/16 , G06G7/63 , G06N7/00 , H02H1/0015 , H02J2003/007 , Y02E60/76
摘要： A method for simulating an arc flash event on an electrical power system is disclosed. The virtual system model of the electrical system is modified to introduce a short circuiting feature. The standard to supply equations used in the arc flash event calculations is chosen. The arc flash event is simulated using the modified virtual system model in accordance with the chosen standard. The quantity of arc energy released by the arc flash event is calculated using results from the simulation. The report that forecasts an aspect of the arc flash event is communicated.

9. 发明授权

US3886330A Security monitoring system and method for an electric power system employing a fast on-line loadflow computer arrangement 失效
标题翻译：采用快速在线负载流计算机布置的电力系统的安全监控系统和方法
公开(公告)号：US3886330A
公开(公告)日：1975-05-27
申请号：US17529271
申请日：1971-08-26
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： EGELSTON DAVID M , RUSSELL JERRY C
IPC分类号： G06G7/63 , G06J1/00 , G06G7/62 , H05K1/00
CPC分类号： G06G7/63 , G06J1/00 , Y10T307/50 , Y10T307/549 , Y10T307/576
摘要： A security monitoring system for an electric power system includes a data acquisition system and a hybrid loadflow computer arrangement. The hybrid loadflow computer in turn includes an analog network simulator and a digital computer which processes and operates upon acquired on-line data and operator data related to the power system loadflow problem. The analog simulator includes modular circuits representative of power system busses and lines and the interface between the digital computer and the analog network simulator is provided by analog-to-digital and digital-to-analog converters and by line outage contact closure outputs. The hybrid arrangement operates iteratively to provide loadflow solutions, with the analog network simulator providing a bus voltage solution for a set of network simultaneous equations and the digital computer providing bus load and generation injection current calculations and convergence steering control. Because loadflow solutions are generated cyclically and contingency case loadflow solutions are generated with the use of basecase data modified to reflect the contingencies. Modifications are also made in the analog simulator to reflect the contingencies.
摘要翻译：一种用于电力系统的安全监控系统包括数据采集系统和混合负载流计算机装置。混合负载流计算机又包括模拟网络模拟器和数字计算机，其处理并操作所获取的与电力系统负载流问题相关的在线数据和操作者数据。模拟仿真器包括代表电力系统总线和线路的模块化电路，数字计算机和模拟网络仿真器之间的接口由模数转换器和数模转换器以及线路中断触点闭合输出提供。混合布置重复地运行以提供负载流解决方案，模拟网络模拟器为一组网络联立方程提供总线电压解决方案，并且数字计算机提供总线负载和产生注入电流计算以及汇聚转向控制。因为负载流解决方案是循环生成的，并且使用经过修改以反映意外情况的基准数据生成意外情况负载流解决方案。也可以在模拟仿真器中进行修改，以反映意外情况。

10. 发明授权

US3883724A Hybrid analyzer for fast load flow and transient solution of power systems 失效
标题翻译：用于快速负载流动和电力系统瞬态解决方案的混合分析仪
公开(公告)号：US3883724A
公开(公告)日：1975-05-13
申请号：US39625973
申请日：1973-09-11
申请人： WESTINGHOUSE ELECTRIC CORP
发明人： PRADHAN ASHOK H , MARTON FRED S
IPC分类号： H02J3/00 , G06G7/63 , G06J1/00 , H02J3/24 , G06J3/00 , G06F15/56 , G06G7/62
CPC分类号： G06G7/63 , G06J1/00 , Y10T307/406 , Y10T307/549
摘要： This invention relates to hybrid computer arrangement for representing an electric power system and for generating load flow solutions therefor. The employment of modular circuits for simulating actual system buses and transmission lines as utilized and circuit stability is ensured by the application of Nyquist stability criteria. Bus modules include the added feature of proportional plus integral control to allow for low proportional gain and high damped response. The application of Nyquist stability criteria also allows for minimum element representation of transmission line and bus parameters which may include transmission line series branch impedance and bus to ground admittance. Potentiometers are employed for representation of transmission line series branch resistance and reactance, and digital to analog multipliers are employed for representation of bus to ground conductance and susceptance under digital control. An iterative process utilizing unique preselected algorithms for initial conditions and iterative increments is employed.
摘要翻译：本发明涉及用于表示电力系统和用于产生负载流量解决方案的混合式计算机装置。通过应用奈奎斯特稳定性标准，确保了采用用于模拟实际系统总线和输电线路以及电路稳定性的模块化电路。总线模块包括比例加积分控制的附加功能，以允许低比例增益和高阻尼响应。

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