• when the drive is running from a power supply system with thyristor converters.Note: A DC link choke is built in to drive models 2A0110 to 2A0415, 4A0058 to 4A1200, and 5A0041 to 5A0242.40006000 60 400Drive Capacity (kVA)Power SupplyCapacity (kVA)Power supply harmonicsreactor requiredReactorunnecessaryFigure i.1 Installing a ReactorDrive CapacityFor specialized motors, make sure that the motor rated current is less than the rated output current for the drive.When running more than one motor in parallel from a single drive, the capacity of the drive should be larger than [total motorrated current × 1.1].Starting TorqueThe overload rating for the drive determines the starting and accelerating characteristics of the motor. Expect lower torquethan when running from line power. To get more starting torque, use a larger drive or increase both the motor and drive capacity.Emergency StopDuring a drive fault condition, the output shuts off but the motor does not stop immediately. A mechanical brake may berequired when it is necessary to stop the motor faster than the ability of the Fast Stop function of the drive.OptionsNOTICE:The B1, B2, ⊖, ⊕1, ⊕2, and ⊕3 terminals are used to connect optional drive-specific compatible devices only. Connecting non-Yaskawa-approved devices to these terminals may damage the drive.Repetitive Starting/StoppingLaundry machines, punching presses, and other applications with frequent starts and stops often approach 150% of their ratedcurrent values. Heat stress generated from repetitive high current will shorten the life span of the IGBTs.Yaskawa recommends lowering the carrier frequency, particularly when audible noise is not a concern. It is beneficial toreduce the load, increase the acceleration and deceleration times, or switch to a larger drive to help keep peak current levelsunder 150%. Be sure to check the peak current levels when starting and stopping repeatedly during the initial test run, andmake adjustments accordingly.n InstallationEnclosure PanelsKeep the drive in a clean environment by installing the drive in an enclosure panel or selecting an installation area free ofairborne dust, lint, and oil mist. Be sure to leave the required space between drives to provide for cooling, and take propermeasures so the ambient temperature remains within allowable limits and keep flammable materials away from the drive.Yaskawa offers protective designs for drives that must be used in areas subjected to oil mist and excessive vibration. ContactYaskawa or your Yaskawa agent for details.Installation DirectionNOTICE:Install the drive upright as specified in the manual. Refer to Mechanical Installation on page 26 for more information on installation.Failure to comply may damage the drive due to improper cooling.n SettingsUpper LimitsNOTICE:The drive is capable of running the motor up to 400 Hz. Be sure to set the upper limit for the frequency of the drive to prevent thepossible danger of accidentally operating equipment at higher than rated speed. The default setting for the maximum output frequency is60 Hz.DC Injection BrakingNOTICE:Excessive current during DC Injection Braking and excessive duration of DC Injection Braking can cause motor overheat.i.2 General Safety16 YASKAWA ELECTRIC TOEP YAIP1U 01B YASKAWA AC Drive - P1000 Quick Start Guide
