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1、6,67($0?063(?5(*8/$725?%$6,&6RIWZDUH?6SHFLILFDWLRQ%*?(&)?Author:Susana LarzbalCreated On:21/01/98Revision:Revised by:I.G.Revision Date:17/03/98Approved by:File Name:BG2160.ING%*?Bg2160_eng.docRev. Date.: 17/11/99Page, 1 of 9?HVFULSWLRQThis function regulates speed with a PID algorithm. It is also po
2、ssible to select the torque limits that can be supplied by the motor according to the mechanical and thermal limits of the motor and of the thyristor cubicles.There are some control bits for the regulation process (integral part disabled, PID disabled, etc.) and several information bits (outputs) of
3、 the results of the regulation process (AV_n_0, SP_n_0, saturation, etc.).%*?Bg2160_eng.docRev. Date.: 17/11/99Page, 2 of 9?,QSXWV?DQG?2XWSXWV,QSXWV/LP0HB0,Mechanical limit for MII(WH)Limit, due to mechanical reasons, of the torque in the rotating sense corresponding to the MII bridge. Value with si
4、gn./LP0HB0,Mechanical limit for MI(WH)Limit, due to mechanical reasons, of the torque in the rotating sense corresponding to the MI bridge. Value with sign./LP7KB0,Thermal Limit for MII(WH)Limit, due to thermal reasons, of the torque in the rotating sense corresponding to the MII bridge. Value with
5、sign./LP7KB0,Thermal Limit for MI(WH)Limit, due to thermal reasons, of the torque in the rotating sense corresponding to the MI bridge. Value with sign.0,B6HUYMII Service(WH)Maximum torque in the rotating sense corresponding to the MII bridge trigger, due to service requirements. Value with sign.0,B
6、6HUYMI Service(WH)Maximum torque in the rotating sense corresponding to the MI bridge trigger, due to service requirements. Value with sign.0/1-No/Yes D action enabled(WH)Selection bit: when set to 1, the D action of the regulator is enabled.1RB3,0/1-No/Yes PID disabled(WH)Selection bit: when set to
7、 1, the PID action of the regulator is disabled.1RB,0/1-No/Yes I action disabled(WH)Selection bit: when set to 1, the I action of the regulator is disabled.%*?Bg2160_eng.docRev. Date.: 17/11/99Page, 3 of 93HUPB5HJ0/1-No/Yes Enable regulation(WH)Selection bit: when set to 1, the regulator is enabled.
8、8PEB(UURUError threshold(WH)Regulation error threshold. When XW is greater than Umb_Error, during the time defined by TPer_Error, the Error output will be activated.63SP(WH)Angular speed set point.6HUB?&B0,1 Quadrant MII service(WH)Signalling bit: when 1 and the motor is working in 1 Q (Serv_4_C=0),
9、 LimEf_MI=0. When 0 and the motor is working in 1 Q (Serv_4_C=0), LimEf_MII=0. If the motor is working in 4 Q (Serv_4_C=1), this bit is irrelevant.6HUYB?B&4 Quadrant service(WH)Signalling bit: when 1, the motor is working in 4Q. When 0, the motor is working in 1Q.LimEf_MI 0 ) then LimEf_MIi = LimEf_
10、MI and LimEf_MIIi = LimEf_MIElse If (LimEf_MI (Umb_Error + HISTER) then AV_0 = 0Else AV_0 = 1If /SP/ 10 then SP_0 = 0Else SP_0 = 1XW = SP - AVIf /XW/ Umb_Error during TPer_Error Then Error = 1Else Error = 0If Perm_Reg = 0 Then Error =YI_Ya_Inic = 0YP_Ant=YI_Ant=YISat_Ant=0Y = YI = YP = YD = 0Sat_MI
11、= Sat_MII = 0Else If No_PID = 1 Then YP_Ant = YI_Ant = YISat_Ant = 0YP = YI = YD = 0Y = Y_BiasCalculate bits Sat_MI y Sat_MIIElseCalculate Proportional part: YP = KP * XWIf No_I = 1 Then YI_Ya_Inic = 1YI_Ant = YISat_Ant = YI = 0Calculate derivative part%*?Bg2160_eng.docRev. Date.: 17/11/99Page, 7 of
12、 9ElseIf YI_Ya_Inic = 0 Then YI_Ya_Inic = 1YI = YI_Ant = YISat_Ant = YI_IniElseCalculate Integral part : YI = YI_Ant + YP * T_Ciclo/TNIf (YI = YI_Ant y YP 0) Then YI = YI_Ant + 1If (YI = YI_Ant y YP LimEf_MIi) Then Y = LimEf_MIiIf (Y LimEf_MIi) or (YP + YI + Y_Bias) LimEf_MIIiThen YI_Sat=YISat_Ant +
13、 (Y - YISat_Ant -Y_Bias)*T_Ciclo/TNYI_Ant = YISat_Ant = YI = YI_SatElse YISat_Ant = YI_AntGenerate saturation bitsIf Y = LimEf_MIi Then Sat_MI = 1 and Sat_MII = 0ElseIf Y = LimEf_MIIi Then Sat_MI = 0 and Sat_MII = 1Else Sat_MI = 0 and Sat_MII = 0%*?Bg2160_eng.docRev. Date.: 17/11/99Page, 8 of 9REVISION INDEXREVNAMEDATEALimTh_MII y LimMe_MII with sign17/03/98
