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概述PM240?2 Power Modules – 0.55 kW to 250 kW (0.75 hp to 400 hp), IP20 degree of protectionPM240?2 Power Modules, frame sizes FSA to FSG (with Control Unit and Operator Panel) The PM240?2 Power Modules are based on a new hardware platform. This permits an increase in power density as well as the application of innovative cooling concepts (push-through technology) with especially high requirements in terms of control cabinet cooling. Furthermore, the PM240-2 Power Module is also suitable for use in safety-oriented applications. In conjunction with a fail-safe Control Unit, the drive can be transformed into a Safety Integrated Drive (see section Control Units). The PM240?2 Power Modules in frame sizes FSA to FSF are available both with and without an integrated line filter class A of compact design for 200 V, 400 V and 690 V line voltages (except PM240?2 frame sizes FSD to FSF: 200 V). The PM240?2 Power Modules in frame size FSG are available with an integrated line filter Category C3 of compact design for 400 V and 690 V line voltages, also with integrated line filter Category C2 for a line voltage of 400 V. In addition, a DC link reactor is integrated in the PM240?2 Power Modules, frame sizes FSD to FSG, and therefore no line reactor is required. The PM240-2 Power Modules with integrated line filter class A are suitable for connection to TN supply systems. Power Modules without integrated line filter can be connected to grounded TN/TT systems and non-grounded IT systems. The PM240?2 Power Module has an integrated braking chopper. In generating mode, the excess energy of the DC link can be dissipated by means of an optional braking resistor. The permissible cable lengths between converter and motor are limited (for max. permissible cable lengths, see Integration). Longer cables can be used if output reactors are connected (see section Load-side power components). Push-through variant Example: PM240?2 Power Modules, degree of protection IP20, push-through variant, frame sizes FSD to FSF (with Control Unit and Operator Panel) The push-through variants in the frame sizes FSA to FSF allow the cooling fins of the Power Modules to be pushed through the rear panel of the control cabinet. Push-through variants should be used in applications where the amount of power loss generated inside the control cabinet itself must be minimized. Shield plates and shield connection kits are available for use in the wiring installation of Control Units and Power Modules to ensure that it complies with EMC guidelines.For more information, see Shield connection kits for Control Units and Power Modules in section Supplementary system components. PM250 Power Modules – 7.5 kW to 90 kW (10 hp to 125 hp), IP20 degree of protectionPM250 Power Modules, frame sizes FSC to FSF PM250 Power Modules are suitable for a large number of applications in general mechanical engineering. Any braking energy is directly fed back into the line supply (four-quadrant applications – a braking chopper is not required). The PM250 Power Module features an absolutely unique technology – Efficient Infeed Technology. This feature provides the ability to feed energy back into the supply system in the generator mode (electronic braking) so that the energy is not converted into heat in a braking resistor. This saves space in the control cabinet. The time-consuming process of dimensioning the braking resistor and the expense of the extra wiring are eliminated. Furthermore, heat losses in the control cabinet are reduced. Further, the innovative circuit design reduces the line harmonics. There is no need to use an optional line reactor at the supply infeed. This saves space and costs for engineering and procurement. The permissible cable lengths between converter and motor are limited (for max. permissible cable lengths, see Integration). Longer cables can be used if output reactors are connected (see section Load-side power components). Frame sizes FSD to FSF of the PM250 Power Modules are available both with as well as without integrated line filter class A. For frame size FSC of the PM250 Power Module with an integrated line filter class A, an additional base filter of class B is available for achieving class B (see section Line-side components). The PM250 Power Module is also designed for safety-oriented applications. In conjunction with a fail-safe Control Unit, the drive can be transformed into a Safety Integrated Drive (see section Control Units). The PM250 Power Modules with integrated line filter class A are suitable for connection to TN supply systems. Power Modules without integrated line filter can be connected to grounded TN/TT systems and non-grounded IT systems. Note: Shield plates and shield connection kits are available for use in the wiring installation of Control Units and Power Modules to ensure that it complies with EMC guidelines.For more information, see Shield connection kits for Control Units and Power Modules in section Supplementary system components. 集成All Power Modules have the following connections and interfaces:
Connection example for PM240?2 Power Modules, frame sizes FSA to FSC, with or without integrated line filter Connection example for PM240?2 Power Modules, frame sizes FSD to FSG, with or without integrated line filter Connection example for PM250 Power Modules with or without integrated line filter Power and DC link components that are optionally available depending on the Power Module usedThe following line-side components, DC link components and load-side power components are optionally available in the appropriate frames sizes for the Power Modules:
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