参数资料
型号: 1796
厂商: B&K Precision
文件页数: 19/43页
文件大小: 0K
描述: POWER SPLY DC LINEAR 0-16V 0-50A
标准包装: 1
类型: 支架安装(AC 至 DC)
电源电压: 120VAC,230VAC
输出电压: 0 ~ 16VDC
电流 - 输出: 0 ~ 50A
显示器类型: LED
数字/字母数: 3(2)
输出数: 1
尺寸/尺寸: 15.750" L x 19.000" W x 5.250" H(400.05mm x 482.60mm x 133.35mm)
特点: 调节
稳压 - 线路: 0.01% + 2mV
稳压 - 负载: 0.01% + 2 mV
稳流 - 线路: 0.05% + 10mA
稳流 - 负载: 0.05% + 10mA
纹波: 1mV rms
重量: 50 磅(22.7kg)
其它名称: BK1796
6.6 FAULT FINDING PROCEDURE
( A ) FUSE BLOWS
FUSE BLOWS
Is Line Voltage OK ?
Y
Is Fuse Rating OK ?
Y
Is Mains Transformer Tapping OK ?
Y
Are Power Diodes Connected
on Heat Sink Short ?
N
Is Remote Sense Switch Pressed
in Normal Condition ?
N
N
N
Y
Y
Adjust Proper Line Voltage.
Insert proper rating Fuse.
Adjsut the Tap according
to required voltage.
Replace the Damaged Diodes.
Release the Remote Switch
in Normal Load Condition.
N
Is Device Drop setting proper on Load ?
N
Turn ON the Unit at Rated input Voltage. Load the Unit at
max rated Voltage and Current. Adjust the Voltage between
Output Positive and Capacitor Positive between
4.5V to 5V by using Please VR1 on PREG PCB
1.
2.
3.
4.
5.
6.
Check Line Voltage for 230V AC or 115V AC, whichever applicable.
Check whether Fuse Present is 20A for 115V AC I/P and 10A for 230VAC I/P.
Check the Transformer Tapping, whether it is configured accordingly to I/P
Line Voltage.
The Power Diodes connected in Bridge configuration on Heat sink might be
short.
If Remote Sense Switch is pressed on Load, in Normal Operation, there is
chance unit may take High Current and Fuse might Blow.
If Device Drop measured across O/P Positive and Capacitor Positive is not
between 4.5V to 5V at rated I/P Voltage and rated O/P Voltage and Load
condition, there is a chance of Fuse getting blow in Load Condition.
Note : 4.5V to 5V Device Drop at Full Load.
16
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