Резиновая игрушка для чистки зубов собак домашних животных жевательная агрессивных жевательных
0,39 $ - 0,46 $
Автоматическая компенсация var 300 kvar автоматически переключаемый статический генератор
- Категория: >>>
- Поставщик: Shanghai Yingtong Electric Co. Ltd.
Сохранить в закладки 1600932104664:
Описание и отзывы
Характеристики
Company Profile
As a national high-tech enterprise, ShangHai YingTong Electric Co., Ltd, since 2009, located in Songjiang District of Shanghai, covering 10,000 m2, is a professional science and technology enterprise engaged in R&D, production, and sales of products of power electronics and power automation technology. The Company focuses on smart power grid, power quality, power automation, power saving, and new energy power generation. On the aspects of energy saving and consumption reduction, improvement of power grid safety and stability, and improvement of power quality, the Company independently develops multiple series products in three fields, i.e. power quality and power safety, power saving, and power automation, which have been applied to the power, industrial, petroleum and other key energy consumption fields.
Our company focus on sales and service of Active Harmonic Filter(APF), Static Var Generator(SVG), 3 phase load balancer, hybrid reactive power compensation cabinet. In addition to the main products, we also provide customized services such as scheme design, product customization, equipment maintenance and other customized services.
Static Var Generator SVG
Based on the principle of voltage source inverter, YTPQC-SVG static var generator uses insulated gate bipolar transistor (IGBT) to control the magnitude and phase of inverter AC voltage, so as to achieve the purpose of reactive power and harmonic compensation. Because the switching frequency of IGBT is very high (up to dozens of kHz), SVG can compensate rapid reactive loads and achieve quite high compensation accuracy. SVG is the best scheme in the field of reactive power control.
YTPQC-SVG Static Var Generator detects load current in real time through internal and external CT and analyzes the reactive current of load by TI DSP and FPGA, then generates PWM signal to IGBT inverter(3 Level) to generate inductive or capacitive current and compensate reactive current to realize the target power factor. YTPQC SVG can also compensate phase imbalance.
Compared with the traditional capacitor bank, YTPQC-SVG has the advantages of fast response and high compensation accuracy without under-compensation or over-compensation problems, avoid resonance,etc.
YTPQC-SVG Data Sheet
Item | Performance Index |
Rated input voltage | 220V/400V/480V/690B |
Rated frequency | 50Hz/60Hz±5% |
Circuit Topology | Three level inverter IGBT |
Power Grid Structure | 3 phase 3 wire or 3 phase 4 wire |
Rated capacity of modular | 30kVar,50kVar,75kVar,100kVar |
Switching Frequency | 25.6kHz |
Response Time | ≤5ms |
Compensation Mode | (1) Reactive power (2) Harmonics (3) 3 Phase load imbalance |
Effect of Power Factor Correction | COSΦ≥0.99(after compensation) |
Effect of 3 phase balancing | ≤5% |
Harmonic mitigation performance | Up to 50th odd order Harmonics |
Effect of Harmonic mitigation | THDi≤5% after systematic control |
Active loss of system | <2.5% |
Controller | DSP+FPGA |
Control Algorithm | Self-adaptive control algorithm |
Communications | Modbus communication protocol/ RS485 and Can Bus are used for communication interface, which supports mobile App. |
Certificate | CE,Type test report |
Ambient Temperature | -20~55℃ |
Relative humidity | Maximum 95%, without condensation |
Altitude | ≤1,500m at rated capacity |
SVG Features and Benefits
OUTSTANDING PERFORMANCE
* Reactive power compensation: Cos Φ = 1.00.
* Continuous correction – step less control. SVG controls from 0 – rated kVAr as one continuous range.
* Capacitive and Inductive compensation: -1 to +1.
* Full correction in less than 5ms. Suitable for highly dynamic loads where the power factor fluctuates rapidly or in big steps e.g. saw mills, cranes, welders.
* No over compensation or under compensation as experienced with capacitor switching systems.
* Current imbalance correction can correct for load imbalance across all three phases.
* Continuous correction – step less control. SVG controls from 0 – rated kVAr as one continuous range.
* Capacitive and Inductive compensation: -1 to +1.
* Full correction in less than 5ms. Suitable for highly dynamic loads where the power factor fluctuates rapidly or in big steps e.g. saw mills, cranes, welders.
* No over compensation or under compensation as experienced with capacitor switching systems.
* Current imbalance correction can correct for load imbalance across all three phases.
COMPACT HIGH PERFORMANCE
* Compact High Performance.
* Wall mount or cabinet mount in an ultra-compact design.
* Modular design permits 600kVAr within a single cabinet.
* Can be incorporated into electrical switchboards.
NETWORK FRIENDLY AND HIGHLY STABLE
* Unaffected by harmonic distortion and free from harmonic resonance.
* Unaffected by network voltage drop. Even under reduced network voltage levels full reactive current can be provided to meet working conditions.
* There is no nasty transient voltage spikes caused by the switching of capacitors.
* Presents to the electricity grid as a very high impedance device. Network companies need not worry about the attenuation of ripple injection signals.
* Compact High Performance.
* Wall mount or cabinet mount in an ultra-compact design.
* Modular design permits 600kVAr within a single cabinet.
* Can be incorporated into electrical switchboards.
NETWORK FRIENDLY AND HIGHLY STABLE
* Unaffected by harmonic distortion and free from harmonic resonance.
* Unaffected by network voltage drop. Even under reduced network voltage levels full reactive current can be provided to meet working conditions.
* There is no nasty transient voltage spikes caused by the switching of capacitors.
* Presents to the electricity grid as a very high impedance device. Network companies need not worry about the attenuation of ripple injection signals.
Why Choose Us
Our Harmonic detection algorithm of Active Harmonic Filter/Static Var Generator is based on ADALINE (Adaptive Linear Neuron): The error values of output compensation harmonics and load harmonics are adjusted adaptive to speed up the convergence speed and automatically adapt to different load conditions without any special control parameters setting..
For thyristor rectifier loads, contrast result as follows,
(Yellow: Load Current Red: AHF Current(output) Blue: System Current)
Successful Projects
Application fields: * Food & beverage industry
* Automotive industry
* Oil & gas industry
* Paper & Chemical industry
* Pharmaceutical industry
* Textile & clothing industry
* Steel industry
* Cement industry
* Microelectronic manufacturers
* Other industries with AC or DC drives
In the manufacturing plants, the Variable Frequency Drives (VFDs) have extensively been used for the motor control purposes to save energy. However, they are one of the major sources of harmonic distortions in the network. YTPQC-SVG Static Var Generator can effectively Improve Power Factor and cancel the harmonic distortions created by variable speed drives in industrial applications. YTPQC-SVG bring power quality benefits to variety of industries including the following,
* Automotive industry
* Oil & gas industry
* Paper & Chemical industry
* Pharmaceutical industry
* Textile & clothing industry
* Steel industry
* Cement industry
* Microelectronic manufacturers
* Other industries with AC or DC drives
FAQ
1. who are we?
Shanghai Yingtong are based in Shanghai, China, start from 2009. There are total about 153 people in our factory.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Active power filter/ Static var generator/ Three phase load unbalance device/ Hybrid reactive power compensation cabinet
4. why should you buy from us not from other suppliers?
We are the Professional Designer and Top Manufacture of SVG and APF.
5. what services can we provide?
Accepted Delivery Terms: FOB/CIF,etc
Accepted Payment Currency:USD
Accepted Payment Type: TT.
Shanghai Yingtong are based in Shanghai, China, start from 2009. There are total about 153 people in our factory.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Active power filter/ Static var generator/ Three phase load unbalance device/ Hybrid reactive power compensation cabinet
4. why should you buy from us not from other suppliers?
We are the Professional Designer and Top Manufacture of SVG and APF.
5. what services can we provide?
Accepted Delivery Terms: FOB/CIF,etc
Accepted Payment Currency:USD
Accepted Payment Type: TT.
Certifications
Kinds of reliability test. Electrostatic Discharge Test,RF electromagnetic Field Radiation Test(80~1000Hz/1400~2000HHZ V&H),Electrical Fast Transient Pulse Group Test,3 Phase shockwave Immunity Test,Radiated Emission Test(30~1000mH H/V),Ring-wave Immunity Test,Surge Immunity Test,Etc.
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