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Sineng Electric Co., Ltd. is a leading solar inverter manufacturer in the world. According to the GTM Research 2017 Report, Sineng Electric is the world's fifth largest solar inverter manufacturer. In 2014, following integration with a Fortune 500 company's PV business, the company became a leader in terms of R&D, management and marketing in the global PV market. Currently, Sineng Electric has completed the establishment of its local sales and service system for the Indian market. The Indian company's annual solar inverter production capacity is expected to reach 3GW. Sineng Electric is capable of meeting the diversified needs of its customers with the widest portfolios of solar inverters ranging from single and three-phase string inverters up to megawatt-sized central inverters and central distributed inverters. This extensive range of solar inverters is suitable for the smallest residential photovoltaic systems right up to multi-megawatt PV plants.

Features and Benefits of EP-3125-HA-UD

a. Product Introduction

In the context of increasingly large photovoltaic power station monomer, the traditional 1000V system is losing its advantage in reducing system cost. Compared with 1000V system, 1500V system’s advantages are as follows: Enhance the dielectric strength level of components, inverters, cables, combiner boxes and other equipments; 1500V system has high dielectric strength level,thus more modules can be series-connected in one string, then it can save the investment of cable, combiner boxes, transformers and other equipments; Reduce ac-dc side loss and transformer low-voltage side loss.

Consider the above advantages, Sineng developed the EP-3125-HA-UD series inverter. It is a compact all-in-one outdoor device which eliminates the need of traditional inverter containers. Compared with the same power inverter, the EP-3125-HA-UD has smallest size, highest power density and highest cost performance.

b. Technology Specifications

Electrical Data

EP-3125-HA-UD

Max. input voltage

1500V

Max. input current

4106A

MPPT voltage range

893~1300V

No. of MPPTs

1

Rated output power

3125kW

Max. output AC power

3594kW

Rated grid voltage

630V

Optional Grid voltage range

536~693V

Rated output current

2864A

Max. output current

3294A

Rated grid frequency

50Hz/60Hz

Adjustable displacement factor

0.8(lagging) ~ 0.8(leading)

Max. / European efficiency

99.00% / 98.70%

Standby consumption

<200W

Dimensions(W × H × D)

2350x2153x1200mm

Weight

2500kg

Operating temperature range

-30~60℃

Cooling concept

Temperature controlled air-cooling

Degree of protection

IP54

Max. permissible value for relative humidity

0~95%, non -condensing

Max. altitude

4500m (derating> 3000m)

Communication port/protocols

Standard: RS485, Ethernet

 

c. Technology Advancements

•Low system cost

Adopts advanced three-level technology, the highest DC bus voltage 1500V, the maximum conversion efficiency of 99%. Maximum DC/AC ratio can be up to 1.5. Highest power density in all centralized inverters above 3MW. With single capacity of 3.125 MW, the EP-3125-HA-UD is flexible in 6.25MW or 12.5 MW block design. The 6.25MW block solution uses two inverters to access three winding transformer. The 12.5 MW block solution uses four inverters to access five winding transformer. It will greatly reduce the cost of transformers and high-voltage RMUs that is suitable for utility plant such as large flat surface and water surface photovoltaic power stations over 25MW.

•Convenient for O&M

Outdoor design without container. It is designed for easy and fast installation. With all the key components such as IGBT models are in front space and modular design that is convenient for O&M.

•High reliability & durability

As shown in figure, the cold air enters through the filter follow the heat dissipation channel. The cold air is guided from top to bottom by the cooling fans to reduce the heat produced by the inverter. The key components are sealed and contact the external duct through the radiator. This isolation design improves the adaptability of the inverter to different environments, protects the key components, and ensures the long-term stable operation of the system.

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d. Benefitted Customer Segment

As a leader in the industry, Sineng is committed to maximizing customer benefits. The EP-3125-HA-UD is most suitable for large scale projects, so that they can maximize their solar generation. With the advanced air-cooled design, it can work without derating at 50 °C, which is very suitable for the hot climate in India. High protection performance for outdoor use, IP54 protection level of inverter and IP65 protection level of key components are suitable for all kinds of harsh environments.

Press R SQ June 18

GOODWE IS A LEADING, STRATEGICALLY-THINKING ENTERPRISE WHICH FOCUSES ON RESEARCH ANDGOODWE IS A LEADING, STRATEGICALLY-THINKING ENTERPRISE WHICH FOCUSES ON RESEARCH ANDMANUFACTURING OF PV INVERTERS AND ENERGY STORAGE SOLUTIONS. WITH AN IN-HOUSE R&D TEAM OF 200EMPLOYEES IN TWO R&D CENTERS, GOODWE CAN OFFER A COMPREHENSIVE PORTFOLIO OF PRODUCTS ANDSOLUTIONS FOR RESIDENTIAL, COMMERCIAL AND UTILITY SCALE PV SYSTEMS, ENSURING THAT PERFORMANCE ANDQUALITY GO HAND-IN-HAND ACROSS THE ENTIRE RANGE.

Solar Rooftop Market in India

India added more rooftop solar power capacity in the last financial year than in the previous four  years combined, making it the fastest-growing segment in the country’s clean energy space. During the financial year 2017, some 715 megawatts (MW) of systems were added, up from 227 MW in the previous year, taking the country’s total installed capacity to 1.3 GW according to a report by Bloomberg New Energy Finance (BNEF). This has happened largely because rooftop solar power is now cheaper than commercial and industrial power in all major Indian states. Overall, because of increased competition and low solar panel prices, setting up rooftop systems has become cheaper than the global average by between 39% and 50% in India.

solar kit png Copy1

Increasing Scope for Residential Sector

In the past ten years, there has been a relentless defeat in the cost of significant components, for example, solar cells. Due to higher power creating limit, rooftop solar panels are turning into the most preferred choice for substitute energy, outperforming other green energy sources. Till recently, most of the growth in the rooftop segment is driven by commercial and industrial users. The economics work for them given the fall in costs of installation and reduction in energy prices. On the other hand, the residential segment hasn’t taken off much till now. The high upfront capital expenditure currently make rooftop PV (photo voltaic) less attractive for residential consumers. However, residential applications and small scale rooftop projects are impelling this market further now. Stiff competition in the market combined with falling prices for the solar components make solar systems affordable for residential and small scale industries. Additionally, Government incentives and policies (30% of project cost offered by the MNRE and additional incentive from State governments) to push rooftop solar installations have also contributed to the growth over the last year. Lucrative returns topped with low and easy maintenance is driving the residential segment to the next level.

As the demand for residential sector grows, there are many new entrepreneurs &amp; freelancers who wish to tap on the opportunity.Solar rooftop panels are extremely user-friendly and convenient to install which is one of the major factors that influence the development of the market. DIY solar kits can become a handy tool for many  professionals in such time. Solar installers can provide smart and speedy solution through DIY solar kits.

DIY Solar Kit

DIY solar kit can provide plug &amp; play solutions in residential, commercial &amp; other stand-alone systems. It is basically an all-in-one solution which carries all required components of a small-scale solar system ranging usually from 1 KW to 10 KW. Usually the DIY kits include:

  • Solar PV Modules
  • Solar Inverters
  • DCDB /ACDB with Junction Box
  • AC / DB Cables
  • Earthing Protection
  • Mounting Structure
  • User’s Manual / Installation Guide
  • Bi-Directional Meter (optionally)

artical image

DIY Solar Kits from Sanelite Solar Pvt Ltd

Sanelite Solar Pvt Ltd is a pivotal company in the area of renewable energy providing end-to-end solar PV solutions from manufacturing solar PV modules to solar EPC installations. Sanelite Solar is a preferred manufacturer of high-quality PV modules of capacity 40Wp to 335Wp. Created in astate- of-the art manufacturing facility and quality-tested at every stage of lifecycle, these panels are aesthetically superior absorber of sunlight. Sanelite Solar also offers end-to-end solar EPC solutions including grid-connected solar PV systems, off-grid solar PV systems, and solar power plants. Our experience of engineering and installing high quality solar power systems and our uncompromising ervice is what makes us a strong player. With its extensive experience of solar installations and strong franchisee/dealer network feedback, the company has developed a one of its kind product – the Solar DIY Kit.

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Solar PV systems are making a mark in Renewable energy space across the globe. Avi Solar Energy Pvt Ltd is established as a turnkey solutions provider for O&M and Analytics. The company is making waves with its wireless SCADA system for solar PV plants. With vast Operations & Maintenance experience in MW plants, the team has expert understanding of the challenges and key performance factors in the solar domain.   Avi Solar offers entire range of SCADA hardware such as communication modules/ repeaters, String Monitoring Units and Combiner boxes.

Overview

The solar industry is revolving very fast. For the utility scale plant, it faces many challenges. For example, the declining PPA, the pressure of investment costs and the more stringent demand. The new standards require the inverter either to have a wide range ride through capability or special grid support function, those new requirements and standard set a high threshold for the inverter. To follow the market tide, SUNGROW released its grid support utility-interactive inverter SG3125HV.  With the application of SG3125HV, the solar plant will have no risk to interact with the utility and it brings much more benefit for the solar plant.

Overview

The solar industry is revolving very fast. For the utility scale plant, it faces many challenges. For example, the declining PPA, the pressure of investment costs and the more stringent demand. The new standards require the inverter either to have a wide range ride through capability or special grid support function, those new requirements and standard set a high threshold for the inverter. To follow the market tide, SUNGROW released its grid support utility-interactive inverter SG3125HV.  With the application of SG3125HV, the solar plant will have no risk to interact with the utility and it brings much more benefit for the solar plant.

Ever since its inception, Sileaf has been at the forefront of the Indian energy landscape developing innovative robust and reliable products. Sileaf’s R& D team has over 6 years of experience and efforts building robust solar products made in India for Indian Environment and has developed a range of innovative products including  Solar DC water pump, Off-Grid Inverter, String inverter, Data logger and Power management Controller (DG controller / Reverse power controller). In January 2018 Sileaf launched its indigenous advanced storage solution with Battery Management System.

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