PMSM三相电压估算，问这个Mfcun1是个什么值？为什么也是无量纲的？这个相电压估算的原理是什么？

本帖最后由 一只耳朵怪 于 2018-6-14 10:22 编辑

/* =================================================================================
File name: VOLT_CAL.H
===================================================================================*/

#ifndef __VOLT_CAL_H__
#define __VOLT_CAL_H__
typedef struct [ _iq DcBusVolt; // Input: DC-bus voltage (pu)
_iq MfuncV1; // Input: Modulation voltage phase A (pu)
_iq MfuncV2; // Input: Modulation voltage phase B (pu)
_iq MfuncV3; // Input: Modulation voltage phase C (pu)
Uint16 OutOfPhase; // Parameter: Out of Phase adjustment (0 or 1) (Q0) - independently with global Q
_iq VphaseA; // Output: Phase voltage phase A (pu)
_iq VphaseB; // Output: Phase voltage phase B (pu)
_iq VphaseC; // Output: Phase voltage phase C (pu)
_iq Valpha; // Output: Stationary d-axis phase voltage (pu)
_iq Vbeta; // Output: Stationary q-axis phase voltage (pu)
_iq temp; // Variable: temp variable
] PHASEVOLTAGE;

/*
OutOfPhase = 1 for the out of phase correction if
* MfuncV1 is out of phase with PWM1,
* MfuncV2 is out of phase with PWM3,
* MfuncV3 is out of phase with PWM5,
otherwise, set 0 if their phases are correct.
*/
/*-----------------------------------------------------------------------------
Default initalizer for the PHASEVOLTAGE object.
-----------------------------------------------------------------------------*/
#define PHASEVOLTAGE_DEFAULTS [ 0,
0,
0,
0,
1,
0,
0,
0,
0,
0,
]
#define ONE_THIRD _IQ(0.33333333333333)
#define TWO_THIRD _IQ(0.66666666666667)
#define INV_SQRT3 _IQ(0.57735026918963)
/*------------------------------------------------------------------------------
Phase Voltage Calculation Macro Definition
------------------------------------------------------------------------------*/

#define PHASEVOLT_MACRO(v)


/* Scale the incomming Modulation functions with the DC bus voltage value*/
/* and calculate the 3 Phase voltages */
v.temp = _IQmpy(v.DcBusVolt,ONE_THIRD);
v.VphaseA = _IQmpy(v.temp,(_IQmpy2(v.MfuncV1)-v.MfuncV2-v.MfuncV3));
v.VphaseB = _IQmpy(v.temp,(_IQmpy2(v.MfuncV2)-v.MfuncV1-v.MfuncV3));

if (v.OutOfPhase==0)
[ v.VphaseA=-v.VphaseA;
v.VphaseB=-v.VphaseB;
]
/* Voltage transformation (a,b,c) -> (Alpha,Beta) */
v.Valpha = v.VphaseA;
v.Vbeta = _IQmpy((v.VphaseA + _IQmpy2(v.VphaseB)),INV_SQRT3);

#endif // __VOLT_CAL_H__
// Phase C (if needed)
// v.VphaseC = _IQmpy(v.temp,(_IQmpy2(v.MfuncV3)-v.MfuncV2-v.MfuncV1));
请问这个Mfcun1是个什么值？为什么也是无量纲的？这个相电压估算的原理是什么？谢谢1