UCD208A101 3BHE020018R0101工控模块备件
输入参数
值应始终大于电机的预期速度。如果电机速度大于初始搜索频率，则可能发生过电压跳闸，或者算法可能无法找到正确的电机速度。如果飞行启动功能处于激活状态，且驱动器在电机以零速度启动时，飞行启动搜索将为实际启动电机增加相当多的额外延迟。图22从上次已知速度开始的无传感器飞行启动图23从预设速度开始的有传感器飞行启动频率搜索0 0.2 0.4 0.6 0.8 1 1.2 1.4 02468时间（秒）频率电机频率Pwm停止跟踪转子速度跟踪丢失频率=0驱动重新启动从上次已知转速开始的频率搜索转子速度发现加速度设置速度并恢复正常运行转速为50%的电机64自动化出版物PFLEXRM002DENE2013年8月第1章详细驱动配置和操作无传感器飞行启动配置参数30[Revspeed Limit]和31[Fwd speed Limit]必须设置为大于参数451[SrLss Preset Spd]中设置的值，以避免在预设频率搜索期间出现超速故障。
主速度反馈装置
如果这是主动反馈装置，则该参数必须设置为“2”，用于无传感器飞行启动。参数223[Mtr Fdbk Alt Sel]选择备用速度反馈装置。如果这是主动反馈装置，则该参数必须设置为“2”，用于无传感器飞行启动。参数222[Motor Fdbk Sel]和223[Mtr Fdbk AltSel]的设置：参数451[SrLss Preset Spd]设置飞行开始频率搜索的初始频率。该值应始终设置为大于预期电机速度，以避免再生和发生过电压故障的可能性。参数510[FOC模式配置]第23位“SrLssFStrtEn”确定飞行启动是启用还是禁用。将此参数设置为“1”可启用飞行启动功能。当设置为“0”时，飞行启动功能被禁用。参数510[FOC模式配置]第26位“FS预设Spd”设置为“1”，使用参数451[SrLss预设Spd]作为飞行启动的初始频率。设置为“0”时，飞行启动频率搜索使用最后一个已知频率。摩擦补偿摩擦补偿块用于计算起步扭矩和所需扭矩，以保持电机因摩擦而以恒定速度运行。
input parameter
The value should always be greater than the expected speed of the motor. If the motor speed is greater than the initial search frequency, an overvoltage trip may occur, or the algorithm may not be able to find the correct motor speed. If the flight start function is active and the driver starts at zero speed, the flight start search will add considerable additional delay to the actual starting motor. Figure 22 Sensorless flight start from last known speed Figure 23 Sensorless flight start frequency search from preset speed 0 0.2 0.4 0.6 0.8 1 1.2 1.4 02,468 time (s) Frequency Motor frequency Pwm stop tracking Rotor speed tracking loss frequency=0 Drive restart Frequency search from the last known speed Rotor speed found acceleration Set speed and resume normal operation Speed of 50% motor 64 Automation publication PFLEXRM002DENE August 2013 Chapter 1 Detailed drive configuration and operation Sensorless flight start configuration parameters 30 [Revspeed Limit] and 31 [Fwd speed Limit] must be set greater than parameter 451 The value set in [SrLss Preset Spd] to avoid overspeed fault during preset frequency search.
Main speed feedback device
If this is an active feedback device, this parameter must be set to "2" for sensorless flight start. Parameter 223 [Mtr Fdbk Alt Sel] selects the backup speed feedback unit. If this is an active feedback device, this parameter must be set to "2" for sensorless flight start. Setting of parameters 222 [Motor Fdbk Sel] and 223 [Mtr Fdbk AltSel]: parameter 451 [SrLss Preset Spd] sets the initial frequency of flight start frequency search. This value should always be set higher than the expected motor speed to avoid regeneration and the possibility of overvoltage faults. Parameter 510 [FOC mode configuration] bit 23 "SrLssFStrtEn" determines whether flight startup is enabled or disabled. Set this parameter to "1" to enable the flight start function. When set to "0", the flight start function is disabled. Parameter 510 [FOC mode configuration] bit 26 "FS preset Spd" is set to "1", and parameter 451 [SrLss preset Spd] is used as the initial frequency of flight startup. When set to "0", the flight start frequency search uses the last known frequency. Friction compensation Friction compensation block is used to calculate starting torque and required torque to keep the motor running at a constant speed due to friction.
