描述
Woodward 8290-191
Woodward 8290-191 是一款高性能的输入模块,专为电气系统、电镀和电解行业中的交流大电流测量和控制而设计。该模块采用独特的Rogowski原理,摒弃了传统的互感器原理或霍尔原理中必须使用的磁芯,使得产品的输入范围广泛且不影响性能。此外,它还具有响应时间快、频响宽、线性好、精度高等特点。
规格:
- 型号:8290-191
- 额定输入:0~20 kaac
- 额定输出:0~20 madc, 0~5 vdc, 4~20 madc
- 精度:1.0级
- 线性范围:0~120%
- 隔离耐压:5000vdc/1分钟
- 辅助电源:+12vdc, ±12vdc, +24vdc
- 工作温度:-20℃~+60℃
- 尺寸:长x宽x高=86x70x73mm(积分器)
作用特征:
- 产品输入无饱和:由于采用Rogowski原理,摒弃了传统方法中的磁芯,使得输入范围广泛且不影响性能。
- 响应时间快:响应时间可以达到us级别,适用于电力系统中的故障录波等方面。
- 产品频响宽:频宽范围可以达到20khz以上,适用于输入波形复杂等信号检测。
- 产品线性好:输出的线性度可以达到0.2%,能准确反映输入信号的大小。
- 产品精度高:整体的精度在1%以内。
- 体积小、重量轻:相比传统方法的产品,在相同输入量程的条件下,本产品的体积更小、重量更轻1。
应用领域:
Woodward 8290-191 输入模块适用于电气系统、电镀和电解行业中的交流大电流测量和控制。由于其独特的Rogowski原理、快速响应时间、宽频响、良好线性、高精度以及小巧轻便的特点,使得它在这些领域中有广泛的应用前景
The Woodward 8290-191 is a high-performance input module specifically designed for the measurement and control of large AC currents in electrical systems, electroplating, and electrolysis industries. This module employs a unique Rogowski principle, eliminating the need for a magnetic core typically required in traditional transformer or Hall-effect principles, providing a wide input range without compromising performance. It also boasts features such as fast response time, wide frequency response, excellent linearity, and high accuracy
Specifications:
- Model Number: 8290-191
- Rated Input: 0~20 kaac
- Rated Output: 0~20 madc, 0~5 vdc, 4~20 madc
- Accuracy: 1.0 grade
- Linearity Range: 0~120%
- Isolation Voltage: 5000vdc/1 minute
- Auxiliary Power Supply: +12vdc, ±12vdc, +24vdc
- Operating Temperature: -20℃~+60℃
- Dimensions: Length x Width x Height = 86x70x73mm (Integrator)
Functional Features:
- Unsaturated Product Input: Due to the use of the Rogowski principle, the need for a magnetic core in traditional methods is eliminated, providing a wide input range without compromising performance.
- Fast Response Time: Response time can reach us-level, suitable for fault recording in power systems.
- Wide Product Frequency Response: Frequency response can reach up to 20khz, suitable for signal detection with complex input waveforms.
- Excellent Product Linearity: Output linearity can reach 0.2%, accurately reflecting the magnitude of the input signal.
- High Product Accuracy: Overall accuracy is within 1%.
- Compact and Lightweight: Compared to traditional products, the Woodward 8290-191 offers a smaller size and lighter weight for the same input range
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