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35kV Indoor TSVG Series Product
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The TEBA launched TSVG series static var generator by insisting the design principle of “reliability, high efficiency, and energy-saving” based on special working condition of new energy power station. Its excellent smart chain redundancy technology, control system redundancy technology, and parallel control technology of master-slave coordination improve reliability of the product greatly.


Technical advantages

The device is composed by power unit, control cabinet, incoming cabinet, and outdoor connecting electric reactor;

It can be customized based on actual capacity demand;

If capacity is higher than 10Mvar, the 35kV device voltage-drop type with Y-connection is recommended.

Technical parameters

 System Parameters

Rated voltage

35kV±10%

Rated current

58~866A

 Input voltage range

0.151.2Pu

Grid frequency

50±5Hz

Reactive power adjustment range

 -Rated(inductive)+Rated (capacitive) continuous and adjustable

Full power loss

<0.8%

Rate of total harmonic current distortion

≤3%, satisfy GB/T14549-1993

Total harmonic distortion of PCC harmonic voltage

≤3%, satisfy GB/T14549-1993

Response time

<5ms

Overload capacity

If the device is operated continually under 1.1 times overload, alarm will be given 3 minutes later; if the device is operated continually under 1.2 times overload, trip is realized 1 minute later; if the device runs under 1.3 times overload, trip is realized 1 second.

Steady-state control accuracy

2.5%

Trouble shooting

Redundancy design is adopted to satisfy automatic N-1 operation

 Running mode

Constant reactive power mode, constant voltage mode, constant power factor mode, load compensation mode, power grid reactive integrated control mode

Communication interface

RS485ModbusIEC104

Monitor mode

Local/remote

Human-computer interface

Chinese/English LED touch screen

Signal transmission

Fiber-optic communication

Key technology and theory

 

Instantaneous reactive power theory, SPWM theory, capacitor voltage balance control technology, three-phase independent control,Small power automatic control,Temperature control

Modulation system

Single polarity double frequency technique, carrier phase-shifting SPWM technique

Power supply mode

Two-circuit feeding

Control source

380VAC220VDC

Main protection function

SVG over-current, grid overvoltage, drive failure, power unit overvoltage, overcurrent, overheat and communication fault, etc.

 Connection mode

Y connection,Delta connection

Cooling mode

 Air cooling, water cooling

IP class

 Indoor IP30

Container: IP54

 Ambient temperature

-25+45, derated capacity operation is required when ambient temperature is 4555 and it should derate 1% when temperature rises 1

 Storage environment temperature

-40+70

Altitude

3000m, it should be customized for 3000m5000m

Relative humidity

90, no condensation

Pollution grade

 IV level

Specific parameters for indoor device type,depending on the specific model

Executive standard

DL/T 1215.1-2013GB/T  14549-1993GB/T 17626.2-2006GB/T 17626.3-2006GB/T 17626.4-2008GB/T 17626.5-2008GB/T 17626.11-2008

 


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