QDTB® Transformer

LFI-3KVA

Low Frequency Power Inverters Series • 3kVA • DC 12/24/48V → 220VAC 50Hz pure sine

LFI-3KVA is a 3 kVA, DC 12/24/48V → 220VAC 50Hz pure sine inverter (dc-ac) manufactured by Shandong Yaqing Electric Power Technology Co., Ltd. (QDTB) in Qingdao, China, approximate weight 27 kg. Available on FOB Qingdao terms; datasheet, routine test report and GA drawing issued with each unit.

Technical Specifications

LFI-3KVA technical specifications
ModelLFI-3KVA
Rated Capacity3kVA
Input VoltageDC 12/24/48V
Output Voltage220VAC 50Hz pure sine
Frequency50/60 Hz
CoolingONAN
Temperature Rise65 K
Efficiency>85%
Weight27 kg
Dimensions (L x W x H)450 x 315 x 185 mm

Product Image & Parameters

Low Frequency Power Inverters - QDTB

Images are for illustration purposes only

LFI-3KVA

Low Frequency Power Inverters Series

Capacity
3kVA
Input voltage
DC 12/24/48V
Output voltage
220VAC 50Hz pure sine
Frequency
50/60Hz
Cooling method
ONAN
Efficiency
>85%
Allowed temperature rise
65K
Dimensions
450 × 315 × 185 mm
Weight
27kg
Pure Sine WaveHigh EfficiencyMulti-Protection

Product Drawing

Electrical Equipment - LFI-3KVA

APPEARANCE — CABINET
POWERDC → AC INVERTERDC INAC OUTLFI-3KVA
SCHEMATIC — DC→AC H-BRIDGE
INVERTER — DC → ACDC IN+−IGBT H-BRIDGEFILTERAC OUTLFI-3KVA
OUTPUT WAVEFORM — SINE vs MODIFIED
OUTPUT WAVEFORM COMPARISONpure sinemodifiedVtimeLFI-3KVA
SYSTEM TOPOLOGY — PV/DC TO AC
STRING INVERTER — SYSTEM TOPOLOGYPV / DCMPPTDC/DCDC/ACAC OUT (grid / load)MPPT boost → DC link → H-bridgeLFI-3KVA

SPECIFICATIONS

1. Model (Product code):LFI-3KVA
2. Series:Low Frequency Power Inverters
3. Rated Capacity:3 kW
4. Input voltage:DC 12/24/48V
5. Output voltage:220VAC 50Hz pure sine
6. Waveform:Pure sine wave
7. Efficiency:>85%
8. Protection:Over-load, short-circuit, over-temperature, low-voltage
9. Weight:27

Note: This is a general product illustration. For detailed technical drawings and specifications, please contact our engineering team.

Product Description

LFI-3KVA Low Frequency Power Inverters Low-frequency Power Inverter, rated 3kVA, input DC 12/24/48V, output 220VAC 50Hz pure sine, eff >85%, freq 50/60, weight 27kg, ISO certified China manufacturer

Related Keywords

LFI-3KVALowlow-frequency power inverter3kVA

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LFI-3KVA - Frequently Asked Questions

QWhat are the main applications of LFI-3KVA?

LFI-3KVA (Low Frequency Power Inverters series, Inverters (DC-AC)) is widely used in solar power systems, marine vessels, remote areas and backup power supplies. Can be flexibly configured according to actual project requirements.

QWhat are the main technical specifications of LFI-3KVA?

Key specifications: Capacity: 3kVA, Input DC 12/24/48V, Output 220VAC 50Hz pure sine, Frequency 50/60 Hz, Cooling ONAN.

QHow to get a quote and technical documentation?

Contact via the "Send Inquiry" button below, or contact sales at Alice@qdtb-transformer.com / +86 13698683193. We provide detailed quotations and technical documentation instantly.

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