Static Var Generator

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Static Var Generator

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Product Details:

Minimum Order Quantity	1 Piece
Rated Voltage	AC 400V
Input Voltage Range	AC 308V~480V
Electric Connection	3P3W / 3P4W
Rated Frequency	50(60)Hz +-10%
Rated Capacity per Module	50kvar
Rated Current per Cabinet	50~350kvar (module combination)
Redundancy	Each module is an independent reactive compensation system
Reactive Power Compensation Capability	Both inductive and capacitive reactive power
Reactive Power Compensation Performance	Cos less than 0.99 after compensation (if the SVG capacity is sufficient)
Imbalance Correction Capability	Mitigate negative and zero sequence
Full Response Time	Less than 20 ms
Instant Response Time	Less than 100us
Thermal Loss	Less than 3% of SVG rated capacity
Output Current Limitation	Automatic (100% rated capacity)
Parallel Expansion	Up to 10 Racks (7 modules per cabinet)
MTBF	Greater than 100,000 hours
Switching Frequency	30kHz
Controller	DSP control
Communication	Modbus Protocol, RS232/485
Monitoring	PQC Monitor Software (Optional)
IP Grade of Cabinet	IP20, IP30 or customization
Cooling Method	Intelligent forced air cooling
Noise Level	Less than 60dB(A) 1m (Module)
Ambient Temperature	-10~50degC
Relative Humidity	0~95%
Altitude	Less than 1000m rated capacity, 1000~2000m(derating 1% per 100m)

The principle of the SVG is very similar to that of Active Power Filter, as demonstrated in the picture below. When the load is generating inductive or capacitive current, it makes load current lagging or leading the voltage. SVG detects the phase angle difference and generates leading or lagging current into the grid, making the phase angle of current almost the same as that of voltage on the transformer side, which means fundamental power factor is unit. Delta’s PQC series SVG is also capable of correcting load imbalance.

Features:

Multifunctional: Reactive power and imbalance compensation
Excellent reactive compensation: High speed, Precise (-0.99≤Cosφ≤0.99), Step-less, Bi-directional (capacitive and inductance) compensation
Excellent imbalance correction: Both negative and zero sequence, mitigates neutral current
Wide input voltage & frequency range, adapts to tough electrical environment
Low thermal loss (≤3% of rated SVG capacity), efficiency ≥ 97%
High stability: Infinite impedance to grid, avoids harmonic resonance problem
Flexible application: Modular design, embedded in standard or customized cabinet
Easy installation and maintenance: Easy installation for APF module replacement and expansion
Wide capacity range: 50kvar~350kvar for a single cabinet, up to 10 cabinets in parallel
Environmental adaptability: -10~50°C temperature, compatible with diesel generators
Complete protection: Grid over/under voltage, SVG over current, over temperature, and others. All faults recorded inevent log, convenient for failure analysis

System Section:

SVG System Type	Structure	Model Name	SVG Capacity	Dimension (W×D×H)	Weight
Independent Module System	Wall-mounted	PQCS-400-50-50WM4	50kvar	440×174×600mm	30 kg
Independent Module System	Fixed Type Modular	PQCS-400-50-50FM3(4)	50kvar	440×522×174 mm	30 kg
Cabinet System (Multiple Modules)	Fixed Type Cabinet	PQCS-400-50-50FC3(4)	50kvar	600×800×2000 mm	200 kg
		PQCS-400-50-100FC3(4)	100kvar	600×800×2000 mm	240 kg
		PQCS-400-50-150FC3(4)	150kvar	600×800×2000 mm	280 kg
		PQCS-400-50-200FC3(4)	200kvar	600×800×2000 mm	320 kg
		PQCS-400-50-250FC3(4)	250kvar	600×800×2000 mm	360 kg
		PQCS-400-50-300FC3(4)	300kvar	600×800×2000 mm	400 kg
		PQCS-400-50-350FC3(4)	350kvar	600×800×2000 mm	440 kg

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Static Var Generator

Static Var Generator

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