参数资料
型号: 9122
厂商: B&K Precision
文件页数: 19/119页
文件大小: 0K
描述: POWER SPLY 0-60V 0-2.5A PROGRAM
标准包装: 1
系列: 9122
类型: 工作台(AC 至 DC)
电源电压: 110VAC,220VAC
输出电压: 0 ~ 60VDC
电流 - 输出: 0 ~ 2.5A
显示器类型: 数字
输出数: 1
尺寸/尺寸: 15.000" L x 8.270" W x 3.150" H(381.00mm x 210.06mm x 80.01mm)
特点: 可编程
功率(瓦特): 100W
精确度 - 伏特表;安培表: 0.05% + 5mV
稳压 - 线路: 0.01% + 3mV
稳压 - 负载: 0.01% + 3mV
稳流 - 线路: 0.01% + 250µA
稳流 - 负载: 0.01% + 250µA
纹波: 8mV p-p
重量: 13 磅(5.9kg)
其它名称: BK9122
Modes of Operation
Depending on the application, the power supply can be used as a constant
current source or as a constant voltage source.
In order to understand constant current and constant voltage operation, a
numeric example will be used.
U out
R
Let’s consider a resistor connected to the output terminals of the power supply
(R resistor).
Limit (programmed) values are:
U lim = 5V
I lim =2A
U out and I out
are the voltage and current
values measured at the output
terminals of the power supply.
Depending on the resistor value, the power supply will pass from one mode of
operation to another
R ( ù)
U out (V)
I out (A)
Mode of
operation
10
5
1
5
5
2
0.5
1
2
CV
CV
CC
In constant voltage mode, programmed voltage value is equal with the voltage
value measured at the output terminals of the power supply. ( U out = U lim ).
Using Ohm’s law, depending on the resistor’s value, output current value can
be calculated and it is smaller than current limit value (see first and second
rows of the table).
The power supply will remain in CV operation as long as the limit current
value is greater than output current value.
18
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