/* =================================================================================
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
