Description
The 40kW 3-Phase Commercial On-Grid Solar Inverter is a high-efficiency string inverter designed for commercial, industrial, and institutional solar power systems. It functions by converting Direct Current (DC) generated by photovoltaic solar panel arrays into clean, balanced, grid-synchronized 3-phase Alternating Current (AC) electricity to power facility machinery and operational loads.
Operating in direct synchronization with standard 3-phase 380V/400V utility power lines, it feeds self-generated daytime solar electricity directly into the facility’s main distribution network, offsetting peak daytime utility consumption. Under Bangladesh’s Net Metering Guidelines, surplus energy generated during clear daylight hours can be exported back to the grid (BPDB, BREB, DPDC, DESCO, or WZPDCL). This inverter provides a durable, heat-resilient, and cost-effective energy transformation engine tailored for Bangladesh’s growing industrial sector.
Key Features
- Multi-MPPT Architecture: Features multiple independent MPPT channels to maximize power output from rooftop solar arrays mounted across different angles or affected by partial shading.
- High Conversion Efficiency: Advanced power electronics topology delivers high conversion efficiency to minimize internal thermal power losses during peak sunshine hours.
- Smart Grid Synchronization: Rapidly locks phase angle and frequency with 3-phase 380V/400V grid lines for smooth, flicker-free energy injection.
- Anti-Islanding Protection: Built-in anti-islanding safety features automatically disconnect the inverter during utility outages to protect grid maintenance personnel.
- Industrial Weatherproof Housing: Enclosed in a heavy-duty chassis with robust ingress protection against dust, humidity, and high outdoor thermal stress.
Technical Advantages
- High Efficiency: Maximizes energy yield per square meter of solar panels using high-precision power tracking algorithms.
- Durable Construction: Heavy-duty casing engineered with intelligent heat dissipation control to ensure continuous full-load operational reliability.
- Safety Protection: Comprehensive electrical safety suite including DC reverse polarity protection, AC short-circuit protection, over-voltage/under-voltage protection, and insulation resistance monitoring.
- Energy Saving: Extremely low night-time self-consumption minimizes standby grid power draw.
- Easy Maintenance: Integrated remote telemetry, event logging, and modular internal layouts facilitate straightforward routine servicing and diagnostics.
Applications
- Residential: Shared residential housing estates, apartment complexes, and community microgrids.
- Commercial: Shopping centers, corporate headquarters buildings, hotels, and private hospital facilities.
- Industrial: Garment manufacturing plants, textile mills, plastics factories, and food processing facilities.
- Factory: Production lines, administrative complexes, cold storage units, and packaging stations.
- Office: Multi-story corporate parks, institutional headquarters, and government office blocks.
- Project Installation: Industrial rooftop solar projects, commercial net-metering installations, and utility-assisted solar arrays across Bangladesh.
Technical Specification Table
| Specification | Details |
| Model | Not Available |
| Brand | Not Available |
| Rated Power | 40,000 W (40 kW) |
| Voltage | 380V / 400V AC (3-Phase) |
| Current | Not Available |
| Frequency | 50 Hz / 60 Hz |
| Efficiency | High Efficiency Commercial Grade |
| Protection | Heavy-Duty Protection Suite (IP Rating Not Available) |
| Dimension | Not Available |
| Weight | Not Available |
| Operating Temperature | Commercial Working Range (-25°C to +60°C Nominal) |
| Warranty | Official Manufacturer Warranty Applicable |
Features List
✓ 40 kW Continuous 3-phase on-grid AC output
✓ Advanced Multi-MPPT tracking for maximum rooftop solar harvest
✓ Grid-tied synchronization for 3-phase 380V/400V industrial grids
✓ Integrated anti-islanding and complete electrical safety protection package
✓ High conversion efficiency topology for lower internal energy loss
✓ Heavy-duty weatherproof enclosure for industrial plant mounting
✓ Remote web and mobile telemetry monitoring support
Benefits For Customers
- Reduces Electricity Cost: Direct replacement of expensive daytime grid power with clean self-generated solar energy.
- Improves Operational Reliability: Integrates smoothly into factory distribution systems to support continuous daytime manufacturing.
- Saves Maintenance Cost: Solid-state grid-tied construction eliminates complex moving mechanical components and cuts maintenance needs.
- Suitable for Bangladesh Environment: Built to handle high summer ambient temperatures, monsoon humidity, and 3-phase grid voltage variations.
Installation & Maintenance Guide
Installation Requirements:
- Install in a clean, well-ventilated plant room or covered wall area with proper clearance for heat dissipation fan airflow.
- Mount on a solid concrete wall or heavy structural frame capable of safely carrying industrial inverter equipment.
- Utilize UV-resistant DC solar wiring, correctly sized 3-phase AC power cables, and matching industrial AC/DC circuit breakers.
- Ground the casing securely to an independent electrical earthing pit to defend against external lightning and voltage surges.
Maintenance Tips:
- Clean external cooling heatsink fins and air vents periodically to remove factory dust and fibers.
- Inspect AC and DC terminal screws annually to ensure firm, oxidation-free electrical contact.
- Track daily power generation via the online monitoring platform to identify string abnormalities early.
Safety Instructions:
- Installation and commissioning must strictly be carried out by certified solar engineers or licensed senior electricians.
- Isolate all DC solar array strings and 3-phase AC utility breakers before opening wiring compartments.
- Never dismantle internal components while connected to live energy inputs.
FAQ Section
Q: What is the price of 40kW Solar On Grid Inverter in Bangladesh?
A: The price of a 40kW 3-Phase On-Grid Solar Inverter in Bangladesh depends on the brand manufacturer, efficiency rating, and warranty terms. Please check loopshop.com.bd for current prices and quotes.
Q: Where can I buy 40kW Solar On Grid Inverter in Bangladesh?
A: You can purchase genuine 40kW Commercial On-Grid Solar Inverters online directly at loopshop.com.bd with nationwide delivery.
Q: What warranty does this product have?
A: Commercial 40kW on-grid inverters standardly include a 5-year manufacturer warranty supported by local technical service assistance.
Q: Is this suitable for Bangladesh climate?
A: Yes. It features robust thermal management and weatherproof casing designed to handle Bangladesh’s hot summer temperatures, humidity, and heavy monsoon seasons.
Q: How to install this product?
A: Mount the unit vertically on a structural wall, connect multi-string DC inputs from your solar array, and wire the 3-phase AC output directly to your facility’s main distribution board following grid rules. Professional installation is required.
Q: Does a 40kW on-grid inverter work during a load shedding power cut?
A: No. Grid-tied inverters require an active utility grid signal to function. During a power cut, the anti-islanding protection automatically shuts off the unit to prevent feeding power into lines being serviced by grid workers.
Q: Can I use this 40kW inverter for net-metering in Bangladesh?
A: Yes, 3-phase on-grid solar inverters are fully compatible with net-metering guidelines approved by BPDB, BREB, DPDC, DESCO, and WZPDCL.
Q: What is the benefit of Multi-MPPT in a 40kW inverter?
A: Multi-MPPT allows solar panels installed across different roof orientations or pitch angles to operate independently without shading on one string hurting the output of others.
Q: How much electricity can a 40kW solar system generate daily in Bangladesh?
A: On average, a 40kW solar installation in Bangladesh generates between 150 kWh and 180 kWh of AC electricity per day, depending on seasonal sunlight and panel cleanliness.
Q: Can I monitor power production on my mobile phone?
A: Yes, by attaching a Wi-Fi, LAN, or 4G datalogger stick, you can track daily power generation and system stats via a mobile app or web portal.

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