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Hello Guest | Feedback The reflected wave simulation tool models the high frequency characteristics of the inverter PWM voltage waveform , the cable connecting the drive to the motor and the motor itself, to predict the peak value and rise time of the voltage waveform at the motor terminals. The effect of filters to mitigate the reflected wave phsenomenon can also be simulated. The model does not include effects of cable charging current, which should be considered for low power drives. Consult the Rockwell Automation Wiring and Grounding Guidelines for PWM AC Drives. The voltage drop calculator estimates the voltage available at the load by computing the voltage drops through the source transformer, cables, line and load reactors, drive and output filters. A plot of available voltage as a function of cable length between drive and motor is generated for the specified tolerance on the source voltage. This tool should be used to appropriately size motor cable for the application. The harmonics simulator is a circuit simulation program with one or two load branches. Each of the loads can be set to be of a specific type. Waveforms of voltage and current at different points of common coupling are generated along with numerical values for voltage and current THD, and checks for conformance to harmonics standards. The harmonics calculator is a spreadsheet based tool which uses look-up tables to estimate the voltage and current harmonics at different points of common coupling in a network consisting of multiple loads. Only numerical outputs are provided including checks for conformance to harmonics standards. This tool is more flexible than the harmonics simulator in terms of the load configurations that can be simulated. The torque harmonics calculator estimates the harmonics in the electromagnetic motor torque for the drive and motor parameters provided by the user. The model does not include the dynamics of the driven load. Legal Notice | Privacy Policy Terms and Conditions of Use Use of this proprietary web site is limited to authorized individuals who are employees of Rockwell Automation or one of its appointed Allen-Bradley distributors (distributor employees must first be registered in order to access the web site). Information viewable on or accessible through this web site is considered strictly confidential and is to be maintained in confidence once viewed or downloaded. Use by registered distributor users will be limited to those purposes which are in direct support of the distributor's obligations under its respective authorized Allen-Bradley appointment. No web site information, URL addresses, or associated access user IDs or passwords may be disclosed or transferred to or used by any party not otherwise expressly authorized to have access (including disclosure to or use by any non-authorized distributor location). Each distributor user will be responsible for maintaining the confidentiality of viewable or downloadable information made available to him or her. Distributor users will immediately notify Rockwell Automation of any change in status in employment (particularly termination) that would act to disqualify an employee from accessing or using this web site and its information. Each distributor organization will be solely responsible for any such access or use by its employees, including that associated with any terminated employee where notice of termination has not been timely provided to Rockwell Automation as required above. Limitation of Liability UNDER NO CIRCUMSTANCE (INCLUDING NEGLIGENCE AND TO THE FULLEST EXTEND PERMITTED BY APPLICABLE LAW) WILL ROCKWELL AUTOMATION BE LIABLE FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL, PUNITIVE OR CONSEQUENTIAL DAMAGES (INCLUDING WITHOUT LIMITATION, BUSINESS INTERRUPTION, DELAYS, LOSS OF DATA OR PROFIT) ARISING OUT OF THE USE OR THE INABILITY TO USE THE MATERIALS MAINTAINED ON OR ACCESSED BY WAY OF THIS SITE EVEN IF ROCKWELL AUTOMATION HAS BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. IF USE OF SUCH MATERIALS RESULTS IN THE NEED FOR SERVICING, REPAIR OR CORRECTION OF USER EQUIPMENT OR DATA, USER ASSUMES ANY COSTS ASSOCIATED THEREWITH....