PRODUCTS

Description:

SVG is a Hi-Tech power electronic device. Fully programmable controlled, could provide continuous reactive compensation automatically in two-way for inductive and capacitive loads;

No need big capacity capacitors, small-size and lightweight, its modular structure, suit for rack/wall mounted installation; SVG modular also has good flexible and extensible;

Different from SVC, Thyristor Switched Capacitor/TSC generates lots of harmonic disturbance; For SVG, No need filtering;

Up to now, SVG is widely used as the most advanced basic wave reactive power compensator in the world.

SVG Principle

During the SVG operating, the amplitude and phase of DC inverter to AC voltage can be controlled by adjusting the switch of IGBT device in the inverter bridge, Therefore, the whole device is equivalent to a phase modulation power supply. By detecting the reactive power required in the system, it can quickly send reactive power with equal size and opposite phase, realize the local balance of reactive power, and keep the system running with high power factor.

Fig.1 Capacitive Var compensation

Fig.2 Inductive Var compensation

Standards to be followed

IEC61000-3-6 Electromagnetic compatibility(EMC)-Part3:Limites-Seaction 6: Assessment of emission limits for distorting loads in MV and HV power systems

IEEE519-2014 IEEE Recommended Practice and Requirements for Harmonic Control in Electric Powder System;

Product Features: 

• Continuous reactive compensation automatically in two-way for inductive and capacitive loads;

• Compensated load range: from capacitive to inductive loads, -1～+1, Power Factor could be up to 0.99 after fully compensation;

• Suitable for three phase unbalanced compensation, such as electrified railway; By SVG, could balance three phase active and reactive loads;

• Rapid response for compensation, full response time less than 15ms, dynamic response time less than 50us;

• No over compensation, no under compensation and no resonance

• IGBT current source could avoid the system resonance. Capacitors as fixed reactive compensation, when there are harmonics in the system, it is possible to amplify harmonics by parallel resonance. Accidents of capacitor being burnt happen frequently;

• Durable: The design life is 100000 hours, more than ten years;

• Low losses and high efficiency;

• Small-size and lightweight, easy to be installed and transportation.

Specifications

400V Input Level（Line voltage）

For 400V Input level, there are three models, and each module compensating capacity is 30Kvar, 50Kvar 75Kvar and 100Kvar.

• The rated voltage input(L-L):400V,

• The phase voltage fluctuation range,50/60Hz, 45Hz-63Hz;

• Three phase four wire , or Three phase three wire

• CT range: 150/5～10000/5;

• Compensation range: from capacitive to inductive loads, -1～+1,continuous;

• PF Level 0.99 compensation effect;

• Response time: less than 15 ms;

• Cooling: Auto forced air; 220L/second for both SVGM30 and SVGM50, 405 L/second for SVGM100;

• SVGM to parallel connected Number: No limited for SVG50M,SVGM75 and SVG100M, single for SVG30M;

• Overall efficiency: 97%;

• Installations: Rack-mounted, Wall-mounted and Cabinet type;

• Monitoring: Each module is monitored independently, and optional for monitoring concentrated; 

• Size and weight

       SVGM30, Rack-mounted, 530x150x510mm,35Kg

       SVGM30, Wall-mounted, 530x510x150mm,35Kg

       SVGM50, Rack-mounted, 530x200x566mm,35Kg

       SVGM50, Wall-mounted, 530x566x200mm,35Kg

       SVGM75, Rack-mounted, 530x200x566mm,48Kg

       SVGM100, Rack-mounted, 530x220x596mm,48Kg

480V & 690V Input Level（Line voltage）

For 480V Input level, there are four models, and each module compensating capacity is 65Kvar, 130Kvar 195Kvar and 260Kvar.

For 690V Input level, there are four models, and each module compensating capacity is 90Kvar, 180Kvar 270Kvar and 360Kvar.

• Three phase three wire

• CT range: 150/5～10000/5;

• Compensation range: from capacitive to inductive loads, -1～+1,continuous;

• PF Level 0.99 compensation effect;

• Response time: less than 15 ms;

• Overall efficiency: 97%

• Monitoring: concentrated;

• Installations: Cabinet type;

Other Specifications

• Communication Port: RS485, Optional for CAN;

• Communication protocol: Modbus;

• Alarm: Yes;

• Temperature:-10℃-40℃,RH:5%-95%, no dew;

• Altitude: ≤1500m; the capacity decrease 1% once each 100 meter altitude increment for 1500m-4000m, as per GB/T3859-2

Order Information

While you send us one inquiry about SVG, please let us know more about your information as below:

i)The rated power input voltage(Line voltage):

a.400V, 480V,690V, 480V-690V;

b.The phase voltage fluctuation range, for example -40%～+20%;

c. The Power Grid Frequency: 50Hz or 60Hz and its variable range;

d. Topology: Three phase four wire , or Three phase three wire;

e.Your application, normal application or new energy, such as wind power;

ii)The actual compensation capacity Kvar;

iii)The site where SVGM installed temperature, RH, and altitude.

Models Recommended