EA EA-HV 900 Series, Manual

Page: 4 / 18

© EA Elektro-Automatik, DE-41747 Viersen, Helmholtzstr. 31-33, Tel. 02162-3785-0, Fax. 02162-16230
4
基本信息
/ General
High Voltage Power Supplies Series EA-HV 9000
The power supplies of the series HV9000 are frequency
modulated resonance converters. The push-to-push switch-
ing frequencies are up to 200kHz in the power range of 500
to 2000W. Because the trapezoid shaped voltage is switched
when passing zero the efficiency of the switching stage is
nearly 99%. This modern concept in connection with multi
regulation loops allows the construction of precise high
voltage systems up to 12kV with outstanding regulation
performances. The mains input is 90...264V/50-60Hz with
an active power factor correction.
Function
The units are delivered as desktop versions, but can be modi-
fied to 19" racks with the included kit. Voltage and current
are adjusted with 10-turn potentiometers, the values can be
preset in standby mode and are displayed on digital meters.
The operation modes are indicated by LEDs. The output
voltage and current can be externally set by means of an
external voltage of 0...10V for 0...rated value (PLC control).
The two external monitor outputs (U & I) each provide an
output voltage of 0...10V for 0...rated value.
In connection with the IEEE.2 interface practically all systems
applications are possible. An interlock loop is available on
the programming terminal.
The units of the series HV9000 are flashover- and continu -
ous short-circuit-proof, whereas voltage and current are still
adjustable from 0...100%. On a large fallback of the output
voltage the unit is switched off for a short time and than
automatically starting slowly again from 0V to the preset
voltage. The energy reaching the output is therefore reduced
to a minimum. So applications with tubes, plasma-gas de-
charging processes and capacitor charging are possible.
The output ripple is less than 5x10
-4
V
pp
on max. rated output
current. The ripple depends on the actual output current. On
30% of the rated output current (600 Watts output power)
the ripple is less than 1x10
-4
V
pp
.
For special applications a unit with extreme low ripple
<0.01% is available.
高压电源系列
EA-HV 9000
HV9000
系列电源实际为调频谐振转换器。在
500
至
2000W
的功率范围内，其推至推式开关频率可高达
200kHz
。由于
梯形电压过零时会被转换，转换阶段效率将近
99%
。该先
进理念结合多个调整回路，从而可构建高达
100kV
的精确高
压系统，并具有突出的调整性能。输入电源为
90...264V/50-
60Hz
，带主动式功率因素校正。
功能
本机出厂时为桌面式结构，用随附套件可改装成
19"
机柜
式。通过
10
圈电位器调节电压和电流，在待机模式下可磔
僊数值，并显示于数字表上。操作模式通过
LED
灯指示出
来。输出电压和电流也可通过
0...10V
外部电压对
0...
额定值
（
PLC
控制)进行设置。两外部监控输出脚（
U & I
）对应
0...
额定值分别供应
0...10V
的输出电压。
接上
IEEE.2
接口，所有系统应用都可实现。编程端子上有
一个联锁线圈。
HV9000
系 列 产 品 有 法 蹶 和 连 续 短 路 保 护 ， 反 之 可 从
0...100%
调节电压和电流。当发现输出电压大量回落时，
产品会短时关闭后再自动开启，电压从
0V
慢慢上升至预设
值。故到达输出端的能量被减至最小。所以完全可以应用
于电子管、等离子气体的放电加工和电容的充电。
额定输出电流最大时的纹波小于
5x10
-4
V
pp
。它由实际输出电
流决定。比如：为额定电流的
30%
时，犴波小于
1x10
-4
V
pp
。
针对特殊应用，还可将产品纹波减至
<0.01%
的超低值。