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400V SVG Industrial Module
- Product Description
- Features & Advantages
- Technical Parameters
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400V SVG Industrial Module
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- Commodity name: 400V SVG Industrial Module
- Commodity ID: 1362032814110429184
- 类型: Industrial automation
- 品牌: Capni
Brand: Zhiyuan New Energy Description: The industrial module uses an axial-flow fan for heat dissipation, offering high airflow, sufficient air pressure, and excellent cooling performance. It is particularly well-suited for applications in high-temperature industrial environments.
1. Working Principle
Industrial Static Var Generator (abbreviated as SVG ) Employs modern power electronics technology and is based on high-speed DSP A new type of power reactive compensation device developed using digital signal processing technology for devices.
It consists of two main components: an instruction current computation circuit and a compensation current generation circuit. By using external current transformers, the reactive power content in the power grid is detected in real time, generating the corresponding instruction current. The instruction current computation circuit continuously monitors the current flowing in the line, converts the analog current signal into a digital signal, and then sends it to a high-speed digital signal processor. DSP ) Process the signal to separate harmonics from the fundamental wave, and use pulse-width modulation ( PWM ) The signal form sends a drive pulse to the compensation current generation circuit, driving... IGBT or IPM Power module To control the inverter to generate reactive current that meets the requirements, thereby achieving the purpose of reactive power compensation.
2. Basic components
SVG The system mainly includes the main contactor. KM1 Precharge Contactor KM2、 Precharge resistor R Filter inductor L Voltage-type PWM Rectifier bridge ( VSR ) and DC bus capacitor C Wait.
The system diagram is shown in the figure. 1-2 As shown, the resistor R For the system's precharge resistor, when... KM2 After closing, the system bus capacitor voltage charges slowly. K M1 Control the main circuit while simultaneously connecting the pre-charge resistor. R Short circuit; An inductor is a power-transfer interface component between power converters and power systems. On the one hand, it serves as an energy-storage element; on the other hand, it filters out high-frequency switching ripple currents. Voltage-type PWM The rectifier bridge is The power conversion component of the SVG consists of insulated-gate bipolar transistors (IGBTs). It employs space vector pulse width modulation (SVPWM) technology to drive the IGBTs and generate a compensation current waveform. The DC capacitor module stores the DC energy produced by the IGBT power conversion module.
Key words:- 工业型静止无功发生器
- 工业现场无功补偿
- 工业型SVG
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Product Features
Outstanding reactive power compensation performance
- It can compensate for both inductive reactive power and capacitive reactive power, and the device can continuously adjust between the two.
- Improve the power factor to 0.99 The above meets the dynamic reactive power compensation requirements when system load changes.
- With three-phase unbalance compensation function
Stable and rapid compensation performance
- Real-time compensation, with a total response time of less than or equal to 10ms
- Dynamic response time is less than 200us
- The compensation capacity equals the installed capacity and is unaffected by system voltage dips.
- Fully digital control, employing an advanced control algorithm based on instantaneous reactive power theory, precisely compensates the reactive current in the system in real time.
Powerful protection features ensure the system operates safely and reliably.
- When the device is operating, it is controlled as a current source, and there is no risk of resonance occurring with the system.
- Automatic flow-limiting function—no overcompensation or undercompensation issues.
- Equipped with comprehensive protection features, including overcurrent, overvoltage, undervoltage, and overtemperature protection.
- Friendly human-machine interface, featuring high definition. 7 Inch color touchscreen with Chinese display, showing system and device operating parameters in real time, equipped with fault alarm and event recall functions.
Modular design enhances equipment quality.
- The power circuit and control circuit adopt a modular design, which, while enabling standardized production, also enhances reliability and maintainability during operation, greatly simplifying system installation.
- The high-reliability parallel-operation mode enables devices to be connected in parallel, meeting a variety of capacity requirements.
Advanced user experience
- The device features a self-diagnosis and self-startup function. It is capable of automatically recovering from a shutdown caused by factors other than issues with the device itself. Before initiating self-recovery, the device performs an automatic diagnosis of both the external power grid and the device itself; self-startup is permitted only after the diagnosis is successfully completed. 30 Self-recovery within minutes 3 Next, if neither can start up normally, shut down the machine and send a fault alarm to the host computer, and illuminate the device’s own fault indicator light.
- The IoT monitoring function enables the device to collect data—including three-phase system voltage, current, active power, reactive power, power factor, harmonic content, and harmonic current output from the device—at specified time intervals, and then transmit this data via... GPRS The module is uploaded to the database. Terminal web page and... APP It can display the above-mentioned current and historical data, provide necessary data filtering functions, and also enable... Excel Formal output capable of displaying and recording current and historical faults; remote. APP The terminal web page can perform necessary control and parameter settings on the device, such as start/stop operations and overcurrent value settings.
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Input
System voltage ( V )
400V AC
System voltage range
± 10%
Frequency (Hz)
50/60 ±5%
Output and Installation Method
Rated current ( Four )
Module
Full container
100Kvar
100 kVAR, 200 kVAR, 300 kVAR, 400 kVAR
Type
Industrial-grade module
Complete cabinet
Incoming line method
Upstream line
Upstream line / Bottom incoming line / Busbar running through the cabinet top
(The cable entry method for the enclosure must be specified in the contract.)
Performance metrics
Filter rate
≥ 90% ( Within the ordered capacity range, and with harmonic content of the load exceeding the ordered capacity. 30%)
Filtering range
2 to 13 Subharmonics (if you need to address even-order harmonics, please specify when placing your order)
Full response time
≤ 10ms
Instant response time
≤ 100us
Dynamic current
1.2 Rated capacity output of the dual-filter, 1min
Power factor setting compensation
Be equipped with
Inductive or capacitive compensation
Optional
Protection
Overload protection
Automatic rate limiting in 100% Rated output
Other protections
Overvoltage protection, undervoltage protection, overtemperature protection
Operating mode
Single-unit or parallel operation
Okay.
Display and Operation
Display interface
7 Inch touchscreen
Display status
Current, voltage, power, harmonic distortion rate, and more
Operation
Multiple operation mode options, remote or local.
Communication ( RS485 Interface)
Modbus-RTU It features a remote monitoring interface and a backend database, enabling users to conveniently monitor various operating parameters of the device from internet-connected terminals.
Phase Sequence Adaptive
Be equipped with
Environmental conditions
Protection level
IP20 (Customizable)
Operating ambient temperature
-10 Celsius ~40 Celsius
Storage / Transportation temperature
-40 Celsius ~60 Celsius
Work / Storage humidity
Relative humidity 20~95% No condensation. / Relative humidity 10~95%
Altitude
1000m The following (derating required for higher altitudes)
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