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公开(公告)号：US20130194774A1
公开(公告)日：2013-08-01
申请号：US13362471
申请日：2012-01-31
IPC分类号： H05K7/14
摘要： A transformer enclosure has a hood and sill attached to a tank. The hood is retractable upon hinges connected to the top face of the tank. The sill is attached to the front face of the tank near the base and has a gate that drops down to an expanded position. When the enclosure is in a closed position, the hood and sill meet with the sill gate fully retracted along a tamperproof interface. A tamperproof interface is formed at the side of the enclosure by a flange on the side panels of the sill and a baffle on the bottom edges of the hood. A tamperproof interface is formed at the front of the enclosure by a bend and lip formed in the front panel of the hood in cooperation with a recessed portion formed in the gate.
摘要翻译： 变压器外壳具有连接到水箱的罩和门槛。 在连接到罐顶部的铰链上，罩可缩回。 门槛连接在靠近基座的坦克前面，并有一个下降到扩张位置的门。 当外壳处于关闭位置时，机罩和门槛与通过防撬界面完全缩回的门槛门相遇。 防护接口通过在门槛的侧板上的凸缘和罩的底部边缘上的挡板形成在外壳的侧面。 通过与形成在门中的凹部配合的在罩的前面板中形成的弯曲和唇缘，在外壳的前部形成防篡改接口。
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12.发明授权Arc-resistant dry type transformer enclosure having arc fault damper apparatus 有权具有电弧故障阻尼器的电弧干式变压器外壳公开(公告)号：US08492662B2
公开(公告)日：2013-07-23
申请号：US13037025
申请日：2011-02-28
CPC分类号： H01F27/02 , H01F27/025
摘要： Arc resistant enclosures for dry-type transformers. More particularly, transformer enclosures having one or more arc-resistant features, including arc channels, arc fault dampers, and arc fault plenums, and methods for providing same.
摘要翻译： 用于干式变压器的电弧外壳。 更具体地，具有一个或多个抗电弧特征的变压器外壳，包括电弧通道，电弧故障阻尼器和电弧故障通风室，以及用于提供电弧故障的气体的方法。
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公开(公告)号：US08472223B2
公开(公告)日：2013-06-25
申请号：US13106271
申请日：2011-05-12
申请人： Donald J. Truettner
发明人： Donald J. Truettner
IPC分类号： H02M7/5387
CPC分类号： H02M7/487 , H03K17/691 , H03K2217/0081
摘要： In a neutral-point-clamped power inverter, gate drive circuit comprises four drive blocks providing bipolar DC signals to control switch gates. The first and third drive blocks are bootstrapped to the second and fourth. Inverter's neutral bus is commonly connected to the positive and negative DC buses through clamping capacitors. An arm of four serially-stacked-switches bridges DC buses. The switch arm midpoint is an output of the inverter. A first clamping diode connects the neutral bus to the first switch emitter; a second clamping diode connects the neutral bus to the third switch emitter. In one embodiment, a second switch arm mirrors the first, providing a second output; a second gate drive circuit mirrors the first. A bias circuit provides two reference voltages for the gate drive circuits. Three isolated DC sources provide signals that, when used by the gate drive circuit, result in seven isolated bipolar DC signals.
摘要翻译： 在中性点钳位功率逆变器中，栅极驱动电路包括四个驱动块，提供双极直流信号以控制开关门。 第一和第三驱动块被引导到第二和第四驱动块。 变频器的中性母线通常通过钳位电容连接到正负极直流母线。 四个串联堆叠开关的臂桥接直流母线。 开关臂中点是变频器的输出。 第一钳位二极管将中性线总线连接到第一开关发射极; 第二钳位二极管将中性线总线连接到第三开关发射极。 在一个实施例中，第二开关臂反射第一开关，提供第二输出; 第二栅极驱动电路反射第一栅极驱动电路。 偏置电路为栅极驱动电路提供两个参考电压。 三个隔离的直流电源提供信号，当栅极驱动电路使用时，会产生七个隔离的双极直流信号。
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公开(公告)号：US20120216393A1
公开(公告)日：2012-08-30
申请号：US13037065
申请日：2011-02-28
IPC分类号： H01F41/00
CPC分类号： H01F27/02 , H02B1/56 , H02B13/025 , Y10T29/4902 , Y10T29/49069 , Y10T29/49073 , Y10T29/49075
摘要： Arc resistant enclosures for dry-type transformers. More particularly, transformer enclosures having one or more arc-resistant features, including arc channels, arc fault dampers, and arc fault plenums, and methods for providing same.
摘要翻译： 用于干式变压器的电弧外壳。 更具体地，具有一个或多个抗电弧特征的变压器外壳，包括电弧通道，电弧故障阻尼器和电弧故障通风室，以及用于提供电弧故障的气体的方法。
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15.发明申请公开(公告)号：US20120199450A1
公开(公告)日：2012-08-09
申请号：US13368440
申请日：2012-02-08
申请人： Andrew Bower , Michael Murray
发明人： Andrew Bower , Michael Murray
IPC分类号： H02B11/02
CPC分类号： H02B11/127
摘要： A motor box is used to rack withdrawable devices into or out of the associated cell in a switchgear cabinet. A hand held control is used to operate the motor box from a remote location. The motor box is attached to a mounting assembly on the switchgear cabinet door. The assembly can be part of the door or separately attached to the door. The mounting assembly allows for easy alignment of the motor box to the door and prevents rotation of the motor box when the box is latched to the mounting assembly. A cart is used to transport the motor box, remote control and associated peripherals to and from the switchgear cabinet.
摘要翻译： 电机箱用于将抽出式设备放入或插入开关柜内的相关单元。 手持式控制器用于从远程位置操作电机箱。 电机箱连接到开关柜门上的安装组件。 组件可以是门的一部分或单独连接到门。 安装组件允许电动机箱容易地对准门并且当箱被锁定到安装组件时防止电动机箱的旋转。 手推车用于运输电机箱，遥控器和相关外围设备与开关柜。
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公开(公告)号：US20110194317A1
公开(公告)日：2011-08-11
申请号：US13059872
申请日：2009-08-20
IPC分类号： H02M3/335
CPC分类号： H02M3/33569
摘要： A voltage converter includes a transformer with a pair of primary coils and a secondary coil. The converter has a DC input and a capacitor bank, having a pair of capacitors, is connected across the DC input. A switch is associated with each primary coil. A gate drive feedback module outputs a pulse width modulated signal to drive either the first or second primary coil. A gate drive switch has as an input the pulse width modulated signal and outputs to the first second switch. A pulse steering logic module determines which of the first or second capacitors has a higher voltage and controls the gate drive switch to direct the pulse width modulated signal in response thereto.
摘要翻译： 电压转换器包括具有一对初级线圈和次级线圈的变压器。 该转换器具有一个直流输入和一个电容器组，具有一对电容器，跨过直流输入端连接。 开关与每个初级线圈相关联。 门驱动反馈模块输出脉宽调制信号来驱动第一或第二初级线圈。 门驱动开关具有作为输入的脉宽调制信号并输出到第一第二开关。 脉冲转向逻辑模块确定第一或第二电容器中的哪一个具有较高的电压，并且控制栅极驱动开关以响应于此而引导脉宽调制信号。
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17.发明申请公开(公告)号：US20110181044A1
公开(公告)日：2011-07-28
申请号：US13011528
申请日：2011-01-21
申请人： Brian David Scott , David Larsson
发明人： Brian David Scott , David Larsson
IPC分类号： G05F1/70
CPC分类号： H02J3/1864 , Y02E40/12 , Y10T307/50
摘要： A method and apparatus for improving power generation in a thermal power plant. A dynamic reactive compensation system is provided and is connected to a high voltage bus or a generator bus of the power plant. The dynamic reactive compensation system comprises power electronic devices and is operable to provide most of the reactive power that is required from the power plant.
摘要翻译： 一种改善火力发电厂发电的方法和装置。 提供动态无功补偿系统，并连接到发电厂的高压母线或发电机总线。 动态无功补偿系统包括电力电子设备，并且可操作地提供从发电厂所需的大部分无功功率。
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公开(公告)号：USD640642S1
公开(公告)日：2011-06-28
申请号：US29354133
申请日：2010-01-20
申请人： Roy Ball , Timothy F. Masters , Andrew Bower
设计人： Roy Ball , Timothy F. Masters , Andrew Bower
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公开(公告)号：US20110072643A1
公开(公告)日：2011-03-31
申请号：US12795919
申请日：2010-06-08
申请人： Scott Anderson , Sandina Ponte
发明人： Scott Anderson , Sandina Ponte
CPC分类号： H01F41/0213 , H01F3/00 , H01F3/02 , H01F3/04 , H01F41/0206 , H01F41/0233 , Y10T29/4902 , Y10T29/49075 , Y10T29/49078 , Y10T29/53165 , Y10T29/53261 , Y10T29/53265
摘要： The system and method make transformer core assemblies from core segments output from a segment forming machine. The system includes a rack assembly and a transfer mechanism for moving the segments from the segment forming machine to the rack assembly. A work table is positioned adjacent to the rack assembly. The rack assembly is rotatable and holds a pair of racks, wherein one rack receives segments and the other may be lowered at the same time to perform finishing steps. The system further increases efficiency by including a second segment forming machine, transfer mechanism, and rack assembly.
摘要翻译： 该系统和方法使得来自芯段的变压器芯组件从段成型机输出。 该系统包括齿条组件和用于将段从分段成形机移动到齿条组件的传送机构。 工作台位于机架组件附近。 机架组件可旋转并保持一对机架，其中一个机架接收分段，另一个机架可以同时降低以执行精加工步骤。 该系统通过包括第二段成型机，传送机构和机架组件进一步提高效率。
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20.发明申请ELECTROMAGNETIC STIRRER ARRANGEMENT WITH CONTINUOUS CASTING OF STEEL BILLETS AND BLOOM 审中-公开连续铸钢钢丝和布线的电磁搅拌器装置公开(公告)号：US20110048669A1
公开(公告)日：2011-03-03
申请号：US12869266
申请日：2010-08-26
IPC分类号： B22D27/02
CPC分类号： B22D11/115
摘要： An electromagnetic stirrer arrangement includes a housing having a bottom opening and a top opening. An electromagnetic stirrer is positioned inside the housing. A modular mold assembly includes a mold, a water jacket, a top plate, a bottom plate and a plurality of rods connecting the top and bottom plates. The mold has an open top and an open bottom. The top plate is positioned proximate to the open top of the mold and the bottom plate is positioned proximate to the open bottom of the mold. The connecting rods extend between and securing together the top and bottom plate. The modular mold assembly can easily be replaced by inserting it into or removing from the housing.
摘要翻译： 电磁搅拌器装置包括具有底部开口和顶部开口的壳体。 电磁搅拌器位于壳体内。 模块化模具组件包括模具，水套，顶板，底板和连接顶板和底板的多个杆。 模具有开放的顶部和开放的底部。 顶板靠近模具的开口顶部定位，底板靠近模具的开口底部定位。 连接杆在顶板和底板之间延伸并固定在一起。 模块化模具组件可以通过将其插入壳体或从壳体移除而容易地更换。
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