Control apparatus for matching the exhaust flow of a gas turbine
employed in a combined cycle electric power generating plant to the
requirements of a steam generator also employed therein
    43.
    发明授权
    Control apparatus for matching the exhaust flow of a gas turbine employed in a combined cycle electric power generating plant to the requirements of a steam generator also employed therein 失效
    用于将组合循环发电厂中使用的燃气轮机的排气流与其中也使用的蒸汽发生器的要求相匹配的控制装置

    公开(公告)号:US3974645A

    公开(公告)日:1976-08-17

    申请号:US495731

    申请日:1974-08-08

    申请人: Jack R. Smith

    发明人: Jack R. Smith

    摘要: A combined cycle electric power plant including gas and steam turbines, steam generators, afterburners and a digital/analog control system is provided with inlet guide vane control apparatus adapted to match gas turbine exhaust flow to the requirements of the steam generator with which it is associated. The guide vane control apparatus operates to limit the inlet guide vane position as a function of gas turbine compressor inlet temperature in accordance with a desired gas turbine exhaust flow at predetermined operating conditions.

    摘要翻译: 包括气体和蒸汽涡轮机,蒸汽发生器,后燃烧器和数字/模拟控制系统的联合循环发电厂设置有入口导叶控制装置,其适于将燃气轮机排气流与其相关联的蒸汽发生器的要求相匹配 。 导叶控制装置用于根据预定操作条件下的期望的燃气轮机排气流量来限制作为燃气轮机压缩机入口温度的函数的入口引导叶片位置。

    Combined cycle electric power plant and a gas turbine having improved
outlet temperature limit control
    44.
    发明授权
    Combined cycle electric power plant and a gas turbine having improved outlet temperature limit control 失效
    联合循环发电厂和具有改进的出口温度限制控制的燃气轮机

    公开(公告)号:US3974643A

    公开(公告)日:1976-08-17

    申请号:US495694

    申请日:1974-08-08

    IPC分类号: F02C9/28 F02C7/02

    CPC分类号: F02C9/28 F05D2270/112

    摘要: A combined cycle electric power plant includes gas and steam turbines and steam generators and a digital/analog control system. A backup control is included for each of the gas turbines with an outlet or preferably blade path temperature limit control which prevents the operator from causing the turbine to operate above a temperature limit reference. The temperature limit control further restricts the rate at which the operator can move the gas turbine operating or load level toward the temperature limit value. When the turbine is operating at a load below the temperature limit value, the operator can freely move the fuel reference until the blade path temperature approaches the temperature limit value.

    摘要翻译: 联合循环发电厂包括燃气和蒸汽涡轮机和蒸汽发生器以及数字/模拟控制系统。 对于具有出口或优选叶片路径温度限制控制的每个燃气轮机都包括备用控制,防止操作者使涡轮在高于温度限制的基准上运行。 温度限制控制进一步限制了操作者能够使燃气轮机运行或负载水平朝向温度极限值移动的速率。 当涡轮机在低于温度极限值的载荷下操作时,操作者可以自由地移动燃料基准直到叶片路径温度接近温度极限值。

    Asynchronous circuit with an at-speed built-in self-test (BIST) architecture
    45.
    发明授权
    Asynchronous circuit with an at-speed built-in self-test (BIST) architecture 有权
    具有高速内置自检(BIST)架构的异步电路

    公开(公告)号:US08612815B2

    公开(公告)日:2013-12-17

    申请号:US13327847

    申请日:2011-12-16

    IPC分类号: G01R31/28

    CPC分类号: G01R31/31813 G01R31/3187

    摘要: Disclosed are integrated circuits that incorporate an asynchronous circuit with a built-in self-test (BIST) architecture using a handshaking protocol for at-speed testing to detect stuck-at faults. Specifically, a test pattern generator applies test patterns to an asynchronous circuit and an analyzer analyzes the output test data. The handshaking protocol is achieved through the use of a single pulse generator, which applies a single pulse to the test pattern generator to force switching of the test pattern request signal and, thereby to control application of the test patterns to the asynchronous circuit and subsequent switching of the test pattern acknowledge signal. Generation of this single pulse can in turn be forced by the switching of the test pattern acknowledge signal.

    摘要翻译: 公开了集成电路,其包括具有内置自检(BIST)架构的异步电路,其使用用于高速测试的握手协议来检测卡住的故障。 具体来说,测试模式发生器将测试模式应用于异步电路,分析仪分析输出测试数据。 握手协议通过使用单个脉冲发生器来实现,该单个脉冲发生器向测试模式发生器施加单个脉冲以强制测试模式请求信号的切换,从而控制测试模式对异步电路的应用和随后的切换 的测试模式确认信号。 可以通过切换测试模式确认信号来强制产生该单个脉冲。

    FPGA powerup to known functional state
    47.
    发明授权
    FPGA powerup to known functional state 失效
    FPGA上电到已知的功能状态

    公开(公告)号:US07489163B2

    公开(公告)日:2009-02-10

    申请号:US11869921

    申请日:2007-10-10

    IPC分类号: G06F7/38 H03K19/177

    摘要: A field programmable gate array (FPGA) device including a non-non-programming-based default power-on electronic configuration. The non-non-programming-based default power-on electronic configuration defines a default state to initial a first logic function. Upon power-up, the FPGA device would be enabled to enter the default state without having first to be configured via a conventional programming mode, thus saving precious processing time during power-up. Several embodiments are disclosed, such as a mask via circuit, an asynchronized set/reset circuit, an unbalanced latch circuit and a flush and scan circuit. A related method is also disclosed to reduce the memory size dedicated to the first logic function to facilitate further programming after power-up. In addition to time saving and further programming, the FPGA device can also allow partial or incremental programming to expand the full functionality to match customer's different needs.

    摘要翻译: 包括非基于非编程的默认开机电子配置的现场可编程门阵列(FPGA)设备。 非基于非编程的默认开机电子配置定义了初始化第一逻辑功能的默认状态。 上电时,FPGA器件将能够进入默认状态,而不必首先通过常规编程模式进行配置,从而在上电时节省宝贵的处理时间。 公开了几个实施例,例如掩模通孔电路,异步设置/复位电路,不平衡锁存电路和冲洗和扫描电路。 还公开了一种相关方法,以减少专用于第一逻辑功能的存储器大小,以便在上电之后进一步编程。 除了节省时间和进一步的编程之外,FPGA器件还可以允许部分或增量编程扩展完整的功能以满足客户的不同需求。

    Method for modifying the behavior of a state machine
    48.
    发明授权
    Method for modifying the behavior of a state machine 失效
    修改状态机行为的方法

    公开(公告)号:US07065733B2

    公开(公告)日:2006-06-20

    申请号:US10725712

    申请日:2003-12-02

    IPC分类号: G06F17/50 H03K17/693

    CPC分类号: G06F17/5054

    摘要: A method and system for modifying the function of a state machine having a programmable logic device. The method includes the steps of modifying a high-level design of the state machine to obtain a modified high-level design of the state machine with a modified function; generating a programmable logic device netlist from differences in the high-level design and the high-level modified design; and installing the modified function into the state machine by programming the programmable logic device based on the programmable logic device netlist.

    摘要翻译: 一种用于修改具有可编程逻辑器件的状态机的功能的方法和系统。 该方法包括以下步骤:修改状态机的高级设计,以获得具有修改功能的状态机的修改的高级设计; 从高级设计和高级修改设计的差异中产生可编程逻辑器件网表; 并通过基于可编程逻辑器件网表对可编程逻辑器件进行编程,将修改后的功能安装到状态机中。

    Combined cycle electric power plant and a gas turbine having an improved
overspeed protection system
    49.
    发明授权
    Combined cycle electric power plant and a gas turbine having an improved overspeed protection system 失效
    联合循环发电厂和具有改进的超速保护系统的燃气轮机

    公开(公告)号:US4327294A

    公开(公告)日:1982-04-27

    申请号:US9013

    申请日:1979-02-05

    IPC分类号: F01K23/10 F02C9/28

    摘要: A combined cycle electric power plant includes gas and steam turbines and steam generators and a digital/analog control system. In the automatic and manual modes of operation, the control system develops a fuel reference signal for the throttle valve position control by means of a speed/load control which functions on a feedforward speed control basis without speed feedback correction. An electrical overspeed protection control is directly coupled to the throttle valve position control to limit turbine speed to a first reference value when the breaker is closed and to limit turbine speed to a lower reference value when the breaker is open. Electrical and mechanical overspeed protection systems directly trip the turbine at higher speed references.

    摘要翻译: 联合循环发电厂包括燃气和蒸汽涡轮机和蒸汽发生器以及数字/模拟控制系统。 在自动和手动操作模式下,控制系统通过在没有速度反馈校正的前馈速度控制基础上起作用的速度/负载控制来开发节气门位置控制的燃料参考信号。 当断路器闭合时,电动超速保护控制直接耦合到节流阀位置控制以将涡轮机速度限制为第一参考值,并且当断路器断开时将电动机超速保护控制限制在较低的参考值。 电机和机械超速保护系统可以以更高的速度参考直接跳闸。