- 名称:局部放电测试器MODEL 19501-K
- 型号:19501-K
- 品牌:Chroma
- 描述:Chroma 19501 - K局部放电测试器内建交流 耐电压测试(Hipot Test)与局部放电(Partial D i s c h a r g e, P...
服务热线:021-54382635
Chroma 19501 - K局部放电测试器内建交流 耐电压测试(Hipot Test)与局部放电(Partial D i s c h a r g e, P D) 侦测功能于一单机, 提供 交 流 电 压 输 出 0 . 1 k V ~ 1 0 k V , 漏 电 流 测 量范 围 0 . 0 1 µ A ~ 3 0 0 µ A , 局 部 放 电 侦 测 范 围 1pC~2000pC,针对高压半导体元件与高绝缘材 料测试应用所设计与开发。
Chroma 19501-K局部放电测试器产品设计符 合IEC60270-1法规,针对高电压试验技术中对局部放电测试要求,采用窄频滤波器 (Narrow- band) 量测技术进行PD放电量测量,并将量测 结果以直观数值 (pC) 显示在荧幕上让使用者清 楚明了待测物测试判定结果。
产品设计上,除了符合IEC60270-1,同时也符合光耦合器IEC60747-5-5与VDE0884法规要求,内建IEC60747-5-5法规之测试方法于仪器内部,满足光耦合器产品生产测试需求,并提供使 用者便利的操作界面。
于生产线上执行高压测试时,如果待测物未能正 确及良好连接测试线,将导致测试结果失败甚至发生漏测的风险,因此在测试前确保待测物与测试线良好连接是非常重要的。Chroma独特之高压接触检查功能 (High Voltage Contact Check : HVCC) 系利用Kelvin测试方法针对高绝缘能力之 元件,于高压输出时同步进行接触检查,增加测 试有效性与生产效率。
在固体绝缘物中含有气隙或杂质混合在绝缘层时,额定工作高压状态下,由于较高的电场强度集中于气隙而产生局部放电 (Partial Discharge), 持续性的局部放电会长久劣化周遭绝缘材,而影 响电气产品之长久信赖性,而引起安全事故。
应用于电源系统之安规元件,如光耦合器,因考 量如果元件长时间发生局部放电对于绝缘材料的破坏,而发生绝缘失效的情况,进而引发使用者人身安全问题;因此,在IEC60747-5-5法规中提 及,于生产过程中 (Routine test) 必须100%执行 局部放电 (Partial discharge) 检测,在最大绝缘 电压条件下不能超过5pC放电量,确保产品在正 常工作环境中不会发生局部放电现象。
局部放电测试器主要针对高压光耦合器、高压继电器及高压开关等高绝缘耐受力之元件,提供高压的耐压测试与局部放电侦测,确保产品质量与提升产品可靠度。
单机内建交流耐压测试与局部放电侦测功能
可程序交流耐压输出 0.1kVac~10kVac
高精度及高分辨率电流表 0.01µA~300µA
局部放电(PD)侦测范围 1pC~2000pC
高压接触检查功能( HVCC)
符合IEC60747-5-5、VDE0884、IEC 60270法规测试要求
内建IEC60747-5-5测试方法
量测与显示单元分离式设计
三段电压测试功能
PD测量结果数值显示 (pC)
PD不良发生次数判定设定 (1~10)
多语系繁中/ 简中/英文操作界面
USB画面撷取功能
图形化辅助编辑功能
标准LAN、USB、RS232远端控制界面
规格表
Model
|
19501-K
|
AC Output Voltage
|
Range
|
0.10 kV~10.00 kV, steps 0.01 kV
|
Voltage Accuracy
|
±(1% of setting + 0.5% full Scale)
|
Load Regulation
|
±(1% of setting + 0.5% full scale)
|
Frequency
|
50Hz, 60Hz ± 0.1%, sine wave
|
Measurement
|
V-display Accuracy
|
± (1% of reading + 0.5% full scale), 10V resolution
|
Cutoff Current
|
0.01µA~300.0µA
|
Leakage Current Meter
|
30µA : 0.50µA~29.99µA ; 300µA : 30.00~300.0µA
|
|
Accuracy ± (1% of reading + 2% full scale)
|
Partial Discharge Detector
|
Range
|
200pC: 1.0 pC~200 pC, 0.1 pC resolution ; 2000pC: 10 pC~2000 pC, 1 pC resolution
|
Accuracy
|
± (1% of reading + 0.5% full scale)
|
Test TimerTest time
|
0.3~99.9 sec., steps 0.1 sec.
|
Ramp/Fall time
|
0.1~9.9 sec., steps 0.1 sec
|
PD detection delay time:
|
0~9.9 sec., steps 0.1 sec.
|
HVCC
|
* Added HV & RTN contact terminal, test current <10mA and open voltage is 5Vdc typ.
|
* Check function to select ON or OFF
|
|
36 pins connector, all input/output are negative true logic and optically isolated
|
|
open collector signals. (General-speed photo-coupler used)
|
Handler interface
|
* all outputs must be pulled up with 10kohm resistor to +VEXT (external power supply)
|
|
* all input optic-diode must be series with current limit (10mA±4mA for +3V ~ +26V) circuit
|
Remote Interface
|
RS-232
|
The programming language is SCPI
|
USB (B-type)
|
Meet USB TMC
|
LAN
|
Support 10M/100M Ethernet
|
Memory Storage
|
200 instrument setups
|
|
Test parameters, result and waveform (BMP) storage. (EXP. function)
|
|
One memory of test procedure and parameter can be storage/recall Backup/restore all memory data to USB flash
|
USB Flash Drive (A-type)
|
|
|
Support USB Flash up to 32GB in size
|
General
|
Specifications Range
|
18 to 28 ℃ (64 to 82℉), 70% RH
|
Operable Range
|
0 ℃ to 45 ℃, 15% to 95% RH @ ≦40 ℃ and no condensation
|
Storage Range
|
-10℃ to 50 ℃, ≦ 80% RH
|
Power Requirement
|
100 Vac ~ 240 Vac, 50/60 Hz
|
Power Consumption
|
No Load : <150W, Rated Load : <400W
|
Dimension (WxHxD)
|
Host: 428x176x500 mm / 16.9x6.9x19.7 inches
|
HV Box: 203x307x200 mm / 8x12.1x7.9 inches
|
Weight
|
Host: 20.5 kg / 45.19 lbs
|
HV Box: 13.2 kg / 29.10 lbs
|
|
|
Model
|
A195001
|
Output Voltage
|
1~100V
|
Polarity
|
Negative
|
Range
|
1,5,100pC in 200pC range ; 20,100,2000pC in 2000pC range
|
Accuracy
|
± (3% of reading + 0.5pC)
|
Rise Time
|
<50nS
|
Pulse Repetition
|
100Hz
|
Injection Capacitance
|
1pF
|
Operable Range
|
0℃ to 45℃, 15% to 95% RH@ ≦40℃ and no condensation
|
Storage Range
|
-10 to 50℃, ≦ 80% RH
|
Power Supply
|
9V battery
|
Current Consumption
|
50mA max.
|
Dimension (WxHxD)
|
100 x 58 x 151.7 mm / 3.94 x 2.28 x 5.97 inch
|
Weight
|
Approx. 1.25kg
|