HD变频器在6SG70系列中是完全数字小型变频器.doc

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Their compact design makes them particularly easy to service and maintain since individual components are readily accessible. The electronics box contains the basic electronic circuitry as well as any supplementary boards.6SG70 SIMOTRAS HD系列变频器的特点是小型能充分利用空间的建筑。因为工业配件易于购买，所以小型设计使它们特别易于服务与维护。电子盒包括基本电子电路，也包括补充板。All SIMOTRAS HD converters are equipped with a PMU simple operator panel mounted in the converter door. The panel consists of a five-digit, seven-segment display, three LEDs as status indicators and three parameterization keys. The PMU also features connector X300 with a USS interface in accordance with the RS232 or RS485 standard. The panel provides all the facilities for making adjustments or settings and displaying measured values required to start up the converter.所有的SIMOTRAS HD变频器都配有安装在变频器们上的PMU简单操作员控制面板。该面板包括五个一组的数字，七段显示，三个作为状态指示的LED和三个参数键。PMU带有一个USS界面，符合RS232或RS485 标准，也是连接器X300的特点。该面板对调整或设定与显示测量值需要启动变频器提供了所有的工具。The OP1S optional converter operator panel can be mounted either in the converter door orexternally, e.g. in the cubicle door. For this purpose, it can be connected up by means of a 5 m long cable. Cables of up to 200 m in length can be used if a separate 5 V supply is available. The OP1Sis connected to the SIMOTRAS HD via connector X300.OP1S可选择的变频器操作面板可安装于变频器的门上，也可安装于外部，例如装在控制规定门上。出于这个目的，它可以用一条5米长的电缆连上。如果一个单独的5v电源可用，那么就可使用200米长的电缆。OP1S通过连接器X300连接到SIMOTRAS HD。The OP1S can be installed as an economic alternative to control cubicle measuring instruments which display physical measured quantities.出于经济上的选择可以安装OP1S来控制控制柜中显示物理测量数量的测量工具。The OP1S features an LCD with 4 x 16 characters for displaying parameter names in plaintext. German and English can be selected as the display languages.The OP1S can store parameter sets for easy downloading to other devices. OP1S的特点是在正文中有一个4 x 16字符的显示参数名称的LCD。可以选用德语或英语作为显示语言。 OP1S可以存储参数组，以易于下载到其他装置。SIEMENS AG 6SG7000-0BA763-1SIMOTRAS HD Operating InstructionsDescription 说明09.99The converter can also be parameterized on a standard PC with appropriate software connected tothe serial interface on the basic unit. This PC interface is used during start-up, for maintenance during shutdown and for diagnosis in operation. Furthermore, converter software upgrades can be loaded via this interface for storage in a Flash memory.变频器也可以在一台带有适当软件，在基础装置上连接到系列界面的PC上参数化。该PC界面在启动，停工过程中维护和操作中诊断时可以使用。另外，变频器软件升级可以通过该界面下载以存储在闪存内。The power section is constructed of isolated thyristor modules. The heatsink is thus electrically isolated. The housing and terminal covers on power connections provide protection againstaccidental contact for operators working in the vicinity. All connecting terminals are accessible from the front.电源部分配置有绝缘的半导体闸流管模组。热接收器因此被电气隔离。电源连接上的外壳与端子盖，当操作员在附近操作时防止意外接触。所有端子从前面都是可以达到的。The power section cooling system is monitored by means of temperature sensors. 电源部分冷却系统通过温度传感器监测。3.3Mode of operation 操作模式3.3.1Converter design 变频器设计SIMOTRAS HD is a fully controllable, three-phase thyristor power controller which uses compact converter technology The converter is used to adjust and control three-phase motors with slipring rotor for lifting gear drives It is suitable for single and multi-motor drives.SIMOTRAS HD是完全可控制的，三相半导体闸流管电源控制器，它使用小型变频器技术。该变频器用于调整和控制带滑环转子的三相电机来提升齿轮传动。它适用于单一或多电机传动。Two additional thyristor modules in the shunt arm of the power section facilitate the torque switchover and thus the 4Q operation of the drive. Using the auto-reversing stage, the phasesequence on the converter output is electronically reversed. Depending on the load conditions, the converter functions in plug braking mode (braking) or it drives the machine in the other direction of rotation (driving). A driving cycle that is both highly dynamic and gentle is possible because the conventional stator contactor is no longer required.电源部分的分流臂里的两个额外的半导体闸流管模组促进扭矩转换并因此进行传动的4Q操作。使用自动逆转阶段，变频器输出上的相序被电子逆转。依靠符合条件，变频器在反相序制动模式下运行或驱动机器在另一个方向的转动。一个推进周期就是可能高动态，因为不再需要常规的定子接触器。The voltage on the motor is adjusted using the stator phase-angle control from three inverse-parallel thyristor pairs. In this process, the supply frequency of the motor is not changed; it is always identical to the relevant mains frequency.电机上的电压是通过使用来自三组逆转平行半导体闸流管的定子相角度控制来调整的。在此过程中，电机的供应频率是不变的。它总是与相关的主频率相同。The thyristors are controlled by the gating unit. This generates line-synchronous firing pulses. The control electronics are separated from the line potential by ignition transducers. The operatingstates are displayed on the unit via the 7-segment display and LEDs or via the optional OP1Soperator control panel.半导体闸流管是由门控装置控制的。这个产生线同步起始脉冲。该控制电子是由点燃传感器从线电压中分离出来的。该操作状态通过7节显示和LED或通过可选择的OP1S操作控制面板显示在装置上。All converter settings (e.g. controller parameters, limit values, etc.) are saved in non-volatilememory in the converter. The adjustment is made digitally via the converter control panel or via theoptional OP1S control panel. The values can therefore be easily reproduced at any time.所有的变频器设定（如控制器参数，限定值等）被保存在变频器内的非易失性的存储器中。该调整通过变频器控制面板或通过可选择的OP1S控制面板来变成数位。该数值因此可以很容易的在任何时间被再生。SIMOTRAS HD combines two traditional procedures for adjusting the speed of asynchronous machines:SIMOTRAS HD结合了两个额外的程序，用于调整异步机器的速度：-changing the motor voltage using the stator phase-angle control 用定子相位角度控制来变换电机电压- gradient of motor characteristic curve using variable rotor resistances- 电机特性曲线的坡度使用可变转子电阻。This combination permits excellent control response where the advantages of both procedures are exploited and the disadvantages are largely avoided. Both procedures are described below. 这个联合允许在两个程序的优点被开发出来的地方极好的控制响应，并且极大的避免了缺点。两个程序描述如下：3-2SIEMENS AG 6SG7000-0BA76SIMOTRAS HD Operating Instructions09.99Description3.3.2Speed control using stator phase-angle control 速度控制采用定子相位角度控制The amplitude of the fundamental wave of the supply voltage is changed using the stator phase- angle control. With a constantly ascending ramp for the setpoint voltage from zero to maximum activation, the control angle and therefore the voltage time-area are continually increased. This increases the motor voltage (UM) continually and the drive is thereby slowly accelerated. The motorM .torque increases proportionally to U 2 供应电压的基波的振幅是通过使用定子相位角度控制来改变的。设定值电压用一个恒定上升的斜坡从0到最大值，因此控制角度和电压时间区域就会 持续增加。这不断的增加了电机电压(UM)，传动因此慢慢的加速。电机力矩按比例增加到了U 2 相位角度控制 电机 负荷 主群组MainsPhase-angle controlMotorMMM3 LoadnMLFigure 3.3.2.1 Simplified drive diagram with stator phase-angle control and asynchronousmachine under load 带有定子相位角度控制与负载下的异步机器传动简图N 可能存在的负荷特性Possible load characteristic MLn0nN电机特性Motor characteristicsnKMLMB*MMM*With direct start-up: - simple squirrel- cage rotor - double squirrel-cage rotorn0 = Synchronous speed 同步速度nN = Speed at nominal working 公称运转下的速度point nK = Speed at pull-out torque 拉出力矩的速度MK = Pull-out torque of simple squirrel-cage rotor简单的松鼠笼转子拉出力矩MS = Torque at dip 浸渍力矩MA = Start-up torque of simple squirrel-cage rotor without stator phase-angle control无定子相位角度控制的简单松鼠笼转子启动力矩ML = Load torque 负载力矩MM = Motor torque 电机力矩MA* = Start-up torque with stator phase-angle control带有定子相位角度控制的启动力矩M* = Temporary motor characteristic临时性电机特性MB* = Acceleration torque 加速度力矩0MA*MAMSMKMFigure 3.3.2.2 Simplified characteristic curve of the asynchronous machine with stator phase- angle control for a direction of rotation/torque direction 在某一转动、力矩方向，带有定子相位角度控制的异步机器简单化的特性曲线M* =temporarily effective motor characteristic (dotted line) for a single squirrel-cage motor with stator phase-angle control带有定子相位角度控制的单一松鼠笼电机的临时性有效的电机特性（带点的线）MB* = Acceleration torque of the drive provides the speed ramp-up. Derived from the present difference MM ML. The acceleration torque MB effective across the entire range is shownas the shaded area in the figure.传动的加速度力矩提供速度斜坡。来自当前的偏差MM ML。加速度力矩MB被实施的全部范围显示在图表的阴影区域。MA* = Start-up torque of the motor set by the stator phase-angle. In order to start, MA* must be larger than the load torque ML. 电机的启动力矩把定子相位角度留开。为了启动，MA*必须比负荷力矩ML大。SIEMENS AG 6SG7000-0BA763-3SIMOTRAS HD Operating InstructionsDescription09.993.3.3 Speed control by changing the rotor resistance levels通过改变转子电阻级别来进行速度控制The torque can be influenced by switching on an additional ohmic resistance in the rotor circuit in the asynchronous motor. To do this, however, an asynchronous machine with a slipring rotor isrequired. Starting with the characteristic curve for a squirrel-cage motor, the gradients of the speed- torque curves increase as the resistance in the rotor circuit increases. The level of the pull-outtorque MK remains constant.力矩可以通过接通一个额外的异步电机中转子电路的欧姆电阻来改变。但是，要这样做就需要使用一个带有滑环转子的异步机器。以松鼠笼 式电机的特性曲线开始，速度坡度的力矩曲线随着电阻在转子电路中的增加而增加。拉出力矩MK的级别仍然不变。This means that at a specific load torque ML, the various constant speeds n2, n3 or n4 can be set. Ifthe load changes, the speed increases as well. 这就是说，在某个特定的负荷力矩ML，可以设定不同的恒定速度n2, n3 或n4。如果负荷改变，速度也会增加。 速度 如：恒定的负荷力矩 极限力矩SpeednE.g. constantload torqueBreakdown torques = 0nNn2 n3 n4短路转子电机的电机特性Motor characteristic of a short-circuit rotor motor 不同转子电阻下的电机特性曲线Motor characteristic curvesat various rotor resistances 电机力矩s = 10MLMKMotor torqueMMFigure 3.3.3.1 Speed-torque characteristic curves at different rotor resistances 不同转子电阻下的速度力矩特性曲线When changing the speed using additional rotor resistances, theRotor output P2V = rotor power input Pd * slip sis largely converted into heat in the external resistor. This prevents excessive heating of the motor when running for extended periods at low speed.当用额外的转子电阻改变速度时，转子输出P2V =转子功率送输入Pd * slip s很大程度上转换成外部电阻 中的热量。这可以防止电机在低速延时运转时热量过多。3-4SIEMENS AG 6SG7000-0BA76SIMOTRAS HD Operating Instructions09.99Description3.3.4 Method of operation of electronic phase reversal with plug braking使用反相序制动来进行电子逆相位操作的方法The drive starts up with the positive speed and stabilizes at point a. A constant load profile isassumed during this process. If a lower setpoint or a setpoint with the opposite polarity is connected when in this state, the SIMOTRAS HD will be switched to counter-torque operation. The thyristorsthat are currently conducting for the clockwise rotating field are first blocked. The thyristors for the anti-clockwise rotating field are then fired. This changes the phase sequence on the outputterminals to produce a new direction of rotation, point b.传动以正速度启动并且在a点稳定。假定在这个过程中负荷外形是恒定的。如果在这种状态下连接了一个较低的设定值或一个负极设定值，SIMOTRAS HD将被切换到反力矩操作。然后半导体闸流管逆时针转动区域被激活。这改变了输出端子上的相序来产生一个新的转动方向b点。The motor then starts plug braking and reduces its speed.然后电机启动反相序制动并降低它的速度。A slip value s = 2 exists on the machine immediately following the switchover from motor operationat point a with the speed n = nN to braking operation at point b. With a direct switchover at full supply voltage, the motor current would now be greater than the start-up current (slip s=1,maximum current). SIMOTRAS HD therefore automatically reduces the motor voltage at this point, thereby limiting the maximum current. 根据来自a点上速度n = nN的电机操作转换，一个滑动值s = 2立即在机器上存在以制动b点上的操作。在最高供应电压下直接转换，现在电机电流将比启动电流大(slip s=1,最大电流)。因此，SIMOTRAS HD在该点自动降低电机电压，从而限制了最大电流。s = 2+nMload = const.n0Clockwise field 顺时针区域NnbaPlug brakingn = 0-M-MLPositive正torqueML+M 逆时针区域Anti-clockwise field-nN-nFigure 3.3.4.1 Speed-torque characteristic curves at phase reversal 逆相位速度力矩特性曲线SIEMENS AG 6SG7000-0BA763-5SIMOTRAS HD Operating InstructionsDescription09.993.3.5SIMOTRAS HD control characteristics for lifting gear SIMOTRAS HD 上升传动的控制特性Braking Lift 制动上升+nFull load curveLift全负荷曲线Driving Lift传动上升%10080K60S4*S3S240%-MS1-140-100-60-2020-20S1*2060100140180 %+M-40S2-60S3-80KS4*-120%Driving Lower-nFull load curveLowerBraking Lower制动降低 传动降低. SIMOTRAS HD control range SIMOTRAS HD控制范围K . Characteristic curves for counter-torque operation (plug braking), i.e.delay lowering with overhauling loads or delay lifting when active counter-torque operation requested 反抗力矩操作的特性曲线（反相序制动）如当需要激活反抗力矩操作时用大修负荷来延迟降低或延迟上升。S2, S3, S4 . Characteristic curves for open-loop operation 开环操作特性曲线* . Use of current limiting (e.g. Imax = 2 * IN) 限流的使用（如Imax = 2 * IN)Up to 4 rotor resistance switching stages can be provided. With less than 4 stages, the upperstages (S3 / S4) remain free. 等于可以提供4个转子电阻切换阶段。少于4个阶段，较高级的阶段(S3 / S4)仍然空闲着。3-6SIEMENS AG 6SG7000-0BA76SIMOTRAS HD Operating Instructions09.99Description3.3.6SIMOTRAS HD control characteristics for travel gear SIMOTRAS HD 行进传动的控制特性 顺时针制动 逆时针驱动+nBraking ClockwiseDriving Clockwise%10080K60S3*S240%-MS1-140-100-60-2020-20KS1*2060100140180 %+M-40S2-60S3-80*Driving Anti-clockwise-120%-nBraking Anti-clockwise 逆时针驱动 逆时针制动. SIMOTRAS HD control range 控制范围K . Characteristic curves for counter-torque operation (plug braking)S3 . Characteristic curve for open-loop operation开环操作特性曲线* . Use of current limiting (e.g. Imax = 2 * IN) 限流的使用（如Imax = 2 * IN)Up to 4 rotor resistance switching stages can be provided. With less than 4 stages, the upperstages (S3 / S4) remain free.等于可以提供4个转子电阻切换阶段。少于4个阶段，较高级的阶段(S3 / S4)仍然空闲着。SIEMENS AG 6SG7000-0BA763-7SIMOTRAS HD Operating InstructionsDescr