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參數(shù)資料
| 型號(hào)： | RN200CHOKEKIT |
| 英文描述： | CHOKE KIT RN 200 |
| 中文描述： | 扼流圈盒護(hù)士200 |
| 文件頁數(shù)： | 6/18頁 |
| 文件大?。?/td> | 789K |
| 代理商： | RN200CHOKEKIT |
5
The following diagrams illustrate
some commonly-used noise
suppression circuit designs.
Application engineers are available
throughout Schaffner’s worldwide
network of support centres to help
customers choose and design
optimal circuits for specific EMC
problems.
Single-phase power control.
The circuit
in Figure 9 controls the amount of power
delivered to the load. The use of a filter
based on a saturating-type choke (from
the RI Series) - sited as close as possible
to the switching element - provides short-
duration impedance to suppress the noise
precisely at the times of switching.
Figure 9.
Application of a saturating
choke in a single-phase system
Three-phase power control.
The circuit
in Figure 10 illustrates the use of a filter
based on saturating-type chokes (from the
RI Series) in a three-phase rectifier with a
resistive load. Sited as close as possible to
the thyristor switching elements, the
chokes provide short-duration impedance
to suppress noise precisely at the times of
switching.
Figure 10.
Application of saturating
chokes in a three-phase system
Suppressing common-mode
interference.
The circuit in Figure 11
illustrates the use of a current-
compensated type choke (from the RN
Series) in conjunction with a few discrete
components, to provide an economic filter
to suppress common-mode interference
between the AC mains and a switched-
mode power supply.
Suppressing differential and common-
mode noise.
The circuit in Figure 12 adds
another stage to the previous circuit to
combat differential-mode interference.
This is achieved by means of a filter based
on non-saturating rod-cored chokes from
the RF Series, which are ideal for removing
lower frequency noise such as that
generated at typical power supply
switching frequencies.
Figure 12.
Two-stage powerline filter with
differential- and common-mode
suppression
Some typical noise suppression
circuit designs
E
N
P
Cx
Cx
Cy
Cy
Cy
Cy
Equipment
RF
RN
RF
E
N
P
Cx
Cx
Cy
Cy
Power
supply
RN
E
E
N
P
Cx
Cy
Cy
Controller
Load
RI
L3
L2
L1
Cx
Cx
Cx
Cx
Cy
Load
RI
RI
RI
RI
RI
RI
Figure 11.
Simple powerline filer to
remove common-mode noise, based on a
current-compensated choke
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| RN2010 | 制造商:未知廠家 制造商全稱:未知廠家 功能描述:TRANSISTOR | 50V V(BR)CEO | 100MA I(C) | TO-92 |
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