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    • 2. 发明授权
    • Microprocessor based integrated generator set controller apparatus and
method
    • 基于微处理器的集成发电机组控制装置及方法
    • US5168208A
    • 1992-12-01
    • US639131
    • 1991-01-09
    • Mark H. SchultzDavid J. Koenig
    • Mark H. SchultzDavid J. Koenig
    • H02P9/04H02P9/30
    • H02P9/04H02P9/30Y10T307/735
    • An electrical generator system integrated controller device utilizing PID control and capable of regulating voltage or current, and frequency simultaneously. The device utilizes a micro-controller (30.1) to monitor the engine generator set (20), then determines the appropriate signal to deliver to the electrical generator set (20) to regulate the engine throttle (21) and the generator (22) field windings. The micro-controller (30.1) also provides for real and reactive load sharing with additional generator sets (40) while also providing for an integrated circuit interrupter module (500) to open the line from the generator (22) to the load bus (42). Additionally, serial communications (34) are provided as well as displays (35), meters (37), and operator input (36). Finally, the permissive paralleling module (700) provides that the engine electrical generator set (20) will not be allowed to be connected to the load bus (42) until standards of voltage and phase have been achieved for a set period of time.
    • 一种利用PID控制并能同时调节电压或电流以及频率的发电机系统集成控制器装置。 该装置利用微型控制器(30.1)来监测发动机发电机组(20),然后确定适当的信号传递给发电机组(20)以调节发动机节气门(21)和发电机(22)场 绕组。 微控制器(30.1)还提供与附加发电机组(40)的实际和无功负载共享,同时还提供集成电路断续器模块(500),以将发电机(22)的线路打开到负载总线(42) )。 此外,提供串行通信(34)以及显示器(35),仪表(37)和操作者输入(36)。 最后,允许并联模块(700)规定发动机发电机组(20)将不被允许连接到负载总线(42),直到电压和相位的标准已经实现了一段时间。
    • 3. 发明授权
    • Fail safe monitoring apparatus and method
    • 故障安全监控装置及方法
    • US4912382A
    • 1990-03-27
    • US191614
    • 1988-05-09
    • David J. KoenigMark H. Schultz
    • David J. KoenigMark H. Schultz
    • G05B9/02G05B23/02
    • G05B23/0289G05B9/02
    • An apparatus for detecting and analyzing a fault condition occurring in an engine electrical generator set (21) while providing means for inhibiting the engine electrical generator set (21) upon the occurrence of the fault. The apparatus utilizes a run relay (22) connected in series with single contact fault senders (26) to a reference potential. The single contact fault senders (26) monitor various parameters of the engine electrical generator set (21). When a parameter is exceeded, the single contact fault sender (26) opens, de-energizing run relay (22) thereby inhibiting engine electrical generator set (21). Optical isolators (27) monitor the single contact fault senders (26) and provide information on their status to logic determining means (24) to alert an operator of an exceeded parameter. Also provided is a bypass switch (31) to bypass single contact fault senders (26).
    • 一种用于检测和分析在发动机发电机组(21)中发生的故障状况的装置,同时提供在故障发生时禁止发动机发电机组(21)的装置。 该装置利用与单个接触故障发送器(26)串联连接到参考电位的运行继电器(22)。 单个接触故障发送器(26)监视发动机发电机组(21)的各种参数。 当超过参数时,单个接触故障发送器(26)打开运行继电器(22)的断电,从而禁止发动机发电机组(21)。 光隔离器(27)监视单个接触故障发送器(26),并向逻辑确定装置(24)提供关于其状态的信息,以向操作者通知超出的参数。 还提供了用于绕过单个接触故障发送器(26)的旁路开关(31)。
    • 10. 发明授权
    • Generator with DC boost for uninterruptible power supply system or for enhanced load pickup
    • 发电机具有不间断电源系统的直流升压或增强负载拾取功能
    • US06737762B2
    • 2004-05-18
    • US09999788
    • 2001-10-26
    • David J. Koenig
    • David J. Koenig
    • H02J332
    • H02J9/062H02J2009/068Y02B90/14Y10T307/527Y10T307/615Y10T307/729
    • A local power generation system generates a substantially DC voltage at an inverter input, which is modulated to generate a resulting output AC power signal to a load. The inverter input voltage may be obtained from an engine generator, providing an AC power signal that is rectified, or from a fuel cell generator providing a DC voltage that is converted to the desired voltage value at the inverter input. An energy storage device helps maintain the DC voltage when load power draw increases, until the engine (or fuel cell reaction) accelerates enough to accommodate the increased power demand. The system may also be used in an uninterruptible power supply (UPS) application, in which the load draws power from a utility-provided AC power source until a fault condition appears. When the fault condition appears, the load switches its power draw from the utility-provided AC power source to the inverter output. The energy storage device helps maintain the DC voltage at the inverter input until the generator (engine or fuel cell) starts and accelerates to a level sufficient provide the DC voltage. The system may also include switching devices for providing uninterruptible power to a critical load, while permitting a noncritical load to be subjected to a fault-condition on the utility-provided AC power signal for a short period of time, before switching to receive power from the inverter output.
    • 本地发电系统在逆变器输入端产生基本上的直流电压,其被调制以产生所产生的输出交流电力信号到负载。 逆变器输入电压可以从发动机发电机获得,提供整流的AC电力信号,或者从提供在逆变器输入端转换为期望电压值的DC电压的燃料电池发电机获得。 当负载功率消耗增加时,能量存储装置有助于维持直流电压,直到发动机(或燃料电池反应)足够加速以适应增加的功率需求。 该系统还可以用于不间断电源(UPS)应用中,其中负载从公用事业提供的AC电源中获取电力,直到出现故障状态。 当故障状态出现时,负载将其从公用设施的交流电源的功率消耗切换到变频器输出。 能量存储装置有助于维持逆变器输入端的直流电压,直到发电机(发动机或燃料电池)启动并加速到足够的水平来提供直流电压。 该系统还可以包括用于向临界负载提供不间断电力的开关装置,同时在切换到接收功率之前允许非临界负载在公用事业提供的交流电力信号上经历短时间段的故障状态 变频器输出。