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RVT-D Dynamic Reactive Power Compensation Controller
keyword：
电力节能系列产品
Category：
Power Energy-Saving Products
Rated voltage: 220V
Rated frequency: 50Hz
Rated power: 15W
Product details
I. Product introduction
RVT-D TFC dynamic reactive power compensation controller is designed for harmonic control of distribution network. It is designed according to ABB industrial standard, with the cutting-edge DSP anti-harmonic technology and anti-harmonic modular circuit, and can operate normally in harsh network environment. It is optimum for harmonic control, filtering and reactive compensation in low/high voltage networks.
II. Basic functions
Measuring and monitoring
3-phase voltage/current/power factor
Active power/reactive power
Active electric quantity/reactive electric quantity
Frequency/harmonic voltage/harmonic current
Max./min. daily voltage/current Power off time/power on time
Accumulated power off time
Voltage beyond upper/lower limit/open phase time
Harmonic analysis to 54 times.
Data storage period is 3 months.
III. Technical parameters
1. Basic parameters
Supply voltage: AC 220V ±20%
Supply frequency: 50Hz ±5%
Sampling voltage: AC 220V ±20%
Sampling current: 0-5A
Device power consumption: 15W
Zero sequence over limit: 5%-60%, step size 1%
Factory presetting: 20%
Output contact: 12 ways, DC 12V/60mA or AC 5A/0.220V for each
2. Control parameters
Sensitivity: 100mA
cos∮ presetting: inductive 0.86; capacitive 0.86
Factory presetting: inductive 0.96
Threshold coefficient: 0.10-0.99
Factory presetting: 0.10
Switching delay: dynamic: 20-500s; static: 1-180s
Factory presetting: 60s
Overvoltage protection: 240-260V, step size 2V
Factory presetting: 250V
Undervoltage protection: 180-200V, step size 2V
Factory presetting: 190V
Harmonic over limit: 5%-40%, step size 1%
Factory presetting: 20%
3. Measurement accuracy
Voltage: ±0.5%
Current: ±0.5%
Power factor: ±1.0%
Active power factor: ±1.0%
Reactive power factor: ±1.0%
Reactive electrical degree: ±1.0%
IV. Data communication
232 or 485 communication interface
Field or remote communication.
Timed or real-time calling, response preset parameter revise and remote control are available.
V. Reactive compensation
Sampling physical quantity is reactive power, without switching oscillation or compensation dead area△ Y+△ combination mode, Y+△ connection mode, Y+△, Y or △ connection mode 1.2.4.8......special switching mode for filtering
VI. Screen display
Chinese operator interface
With 128*64 backlight LCD.
Real-time display of relevant parameters of network.
Visual display of preset parameters
VII. Data management
Based on WINDOW2000 operating platform, communication data can automatically generate reports, curves and bar charts.
VIII. Operation protection
In case of overvoltage, undervoltage and harmonic over limit of a phase in the network, the compensation capacitor will be disconnected quickly.
In case of open phase or zero sequence over limit of a phase in the network, the compensation capacitor will be disconnected quickly.
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Tel：0755-82127848、82128238、33393678
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