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參數(shù)資料
| 型號： | HA13609ANT |
| 廠商： | Hitachi,Ltd. |
| 元件分類： | 基準(zhǔn)電壓源/電流源 |
| 英文描述： | Three-Phase Brushless Motor Driver |
| 中文描述： | 三相無刷電機驅(qū)動器 |
| 文件頁數(shù)： | 15/31頁 |
| 文件大?。?/td> | 143K |
| 代理商： | HA13609ANT |
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HA13609ANT
15
2. Use the following formulas as a guideline for setting the integration constant (@MD9 = 1). To
minimize rotation deviation, set R1 to a relatively small value.
2
π
20
ω
o
≤
R1
=
However, R1 must be in the range 1.5k
≤
R1
≤
15k
.
· f
MR
· D1
9.55 · V
R1
· K
T
· R2
4 · J ·
ω
o · No
· A
[rad/s]
[
]
C1 = 1 / (
√
10 ·
ω
o · R2)
C2 = 10 · C1
Here, No
f
MR
D1
V
R1
K
T
J
A
[F]
[F]
: Rotation speed
: MR frequency
: Divider determined by D1 select
: Charge pump bias voltage 1.16
: Motor torque constant
: Motor moment of inertia
: PWM comparator current gain
[min
–1
]
[Hz]
[V]
[N·m/A]
[kg·m
2
]
[A/V]
2Vps – 0.83V
E
– Vsat
Rm · Vosc
Voltage feedback method: A =
Current feedback method: A = G
B
R
NF
V
PS
V
E
Vsat
Rm
Vosc : PWM amplitude voltage
G
B
: Buffer amplifier gain
3. Use the following formulas as guidelines for setting the integrator filter:
First determine the angular frequency of
ω
P
for DIS OUT and PLL OUT.
ω
P
= 2
π
· f
MR
· D1 [rad/s]
Determine the angular frequency of
ω
M
for Motor.
ω
M
≈
9.55
No
J
R
NF
Determine the
ω
o.
ω
o =
√ω
P
·
ω
M
[rad/s]
Determine the integrator’s DC gain G
(E)
.
J ·
ω
o
9.55 · K
T
· A
60
Here, K
: PLL gain = 0.28
T
L
: Rated load torque
PLL SEL : PLL output ratio
Vref
: Current limiter reference voltage
Z
: MR pulse per round
: Power system power-supply voltage [V]
: Motor back EMF
: External transistor saturation voltage [V] (See the electrical characteristics)
: Motor coil resistance
[V
P-P
/T·T]
[
/T·T]
[V
P-P
] (See the electrical characteristics)
[V/V] (See the electrical characteristics)
– T
L
·1
K
T
·Vref
[rad/s]
1
Z · D1 · 2
π
· K
· PLL SEL
ω
o
·
G
(E)
=
[V/rad/s]
[N·m]
[V]
[P/R]
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