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KPR Institute of Engineering and Technology (Approved by AICTE, New Delhi, Affiliated to Anna University, Chennai-25, Accredited by NBA (CSE, ECE, EEE & MECH) and NAAC with ‘A’ Grade,

an ISO 9001:2015 and ISO 14001:2015 Certified Institution, DSIR Certified Scientific and Industrial Research Organization)

Avinashi Road, Arasur, Coimbatore-641 407

Department of Electrical and Electronics Engineering

Report of the Field Trip

At

SWELECT ENERGY SYSTEMS LIMITED SF. No. 166 &169, Sembagoundan Pudur

No. 51, Kuppepalayam Village

Coimbatore - 641107

Prepared By II Year EEE A Section Students

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Permission was accorded for a field trip to the II Year EEE Students to visit

Swelect Energy Systems Limited at Kuppepalayam on 20/07/2019, 50 students have

visited the industry along with three Faculty Members

Students got exposure on

Types of Solar Panels

Single Axis Solar Tracker

String Connection Box

Power Rating of Solar Modules and Panels

Inverter and its Connection

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The following faculty members were accompanied the students for the Field Trip

1. Dr. R. Uthirasamy, Associate Professor/EEE

2. Prof. V. J. Vijayalakshmi, Assistant Professor (Sr.G)/EEE

3. Prof. P. Ravikumar, Assistant Professor (Sr.G)/EEE

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Acknowledgement

We wish to express our heartfelt thanks and gratitude to our honorable Chairman

Shri.K.P.RAMASAMY and our respected Managing Trustee

Shri.K.P.D.SIGAMANI, KPR Group of Institutions, for providing the facilities for

the fieldtrip.

We would like to thank Shri. R. CHELLAPPAN, Chairman, Swelect Energy

Systems Limited for giving us the opportunity to visit the Industry.

We also would like to thank Er. R. RAVICHANDRAN, Plant Manager for

granting permission to visit the Industry.

We also would like to thank Mr. S. KANAGARASU, Admin Manager and

Er. V.SELVABHARATHI, Plant Engineer for their technical support in the

fieldtrip.

We express our sincere gratitude to our respected chief executive

Dr.A.M.NATARAJAN, M.E., Ph.D., and beloved Principal Dr.K.BOMMANNA

RAJA, M.E., Ph.D., KPR Institute of Engineering and Technology, who gave us the

opportunity and permission to visit the Industry.

We would like to thank our Head of the Department

Dr.V.KUMAR CHINNAIYAN for his continuous support throughout our fieldtrip.

We would like to thank our EEE faculty members Prof. D.SATHISHKUMAR,

Assistant Professor (Sr.G) and Prof.T.JAGADESH, Assistant Professor who have

encouraged and arranged the fieldtrip for us.

We would like to thank our EEE faculty members Dr.R.UTHIRASAMY, Associate

Professor, Prof. V. J. VIJAYALAKSHMI, Assistant Professor (Sr.G) and

Prof. P. RAVIKUMAR, Assistant Professor (Sr.G) who have accompanied with us for the

fieldtrip.

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ABOUT THE COMPANY

SWELECT Energy Systems Limited (formerly known as Numeric Power Systems

Limited) is one of the leading Solar Power Systems Company with a strong presence in global

energy market for over 34 years. SWELECT’s core strength lies in technical expertise which is

strongly backed with state-of-art manufacturing facilities for Solar PV Modules, Solar PCUs,

Servo Stabilizers, Structural and Electrical Balance of Systems (BOS) such as Module Mounting

Structures (MMS), AJBs, etc. SWELECT is recognized as ‘Tier-1 Solar PV Module

Manufacturer’ by Bloomberg New Energy Finance (BNEF), the highly recognized global

industry standard in classifying solar Photo Voltaic module manufacturers. SWELECT has also

received certification from the Bureau of Indian Standards (BIS) for Solar PV Modules including

the high efficiency PERC modules.

With more than 34 years of field experience and with a team of experts in Power

Electronics, SWELECT, even today stays close to its customers and caters to their needs through

continuous technological innovation, rich expertise and customer centric approach. SWELECT has

the ability to implement solar power projects in small as well as large scales with utmost

understanding of customer requirements and customized solutions.

AUTOMATED PV MANUFACTURING SYSTEM

SWELECT operates a 110 MW class 100,000, dust-free, clean-room, world-class PV

module HHV Solar Technologies (’HHV ST’) manufacturing plant with R&D facility at

Bangalore. HHV ST’s product portfolio comprises of High Quality – High Efficiency Solar PV

modules (HHVST) in various Power ratings with International Certifications and compliance to

BIS & IEC Standards.

BALANCE OF SYSTEMS (BoS) MANUFACTURING

SWELECT also offers the complete range of Electrical and Mechanical Balance of

Systems (BOS) including Solar PCUs, Module Mounting Structures (MMS), AJBs, ACDBs,

DCDBs, etc. from its State-of-the-art facility in Salem.

The Roll-forming machines installed at the plant have a production capacity of 10 MW per

month of MMS with throughput of 1 MW every 3 days with a lifetime of 20+ years. This facility

also offers Servo Stabilizers – An effective and reliable solution for the common phenomenon of

voltage variations and electricity fluctuations, in India and across the globe.

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HHV Solar Technologies, a leader in the industry, offers a broad range of photovoltaic

solar modules that feature high efficiency and best-in-class manufacturing edge. With an in-house

production capacity of 110MW for modules, wide spectrum of solar energy modules are among

the top tier PV panels available to cater to multiple customer segments like residential, industrial,

commercial, both on-grid and off-grid solar projects.

Tier-1 Modules

HHV ST has been recognized as "Tier-1 Solar PV Module Manufacturer" by

Bloomberg New Energy Finance (BNEF), the highly recognized global Industry standard in

classifying solar Photo Voltaic module manufacturers. BNEF evaluates solar PV Module

manufacturers based on "Bankability or Financial Stability of the projects" as a key criteria and

SWELECT's recognition to Tire-1 rating serves as an independent validation of their performance

as a "Sustainable and Reliable Solar Business Partner". HHV ST modules comply with global

standards on quality and safety requirements like IEC, UL, MCS, CEC etc. The certification to

these standards are approved by internationally recognized bodies - TUV Rheinland, Underwriters

Laboratory, Intertek ETL, BRE Global, CEC etc. HHV Solar manufactures both Mono and

Mutlicrystalline Solar photovoltaic modules.

SOLAR INVERTER

GRID TIE Inverters – SWG series

The features of solar inverter are as follows:

High performance string inverters

Wide PV Input voltage range

Rapid MPPT tracking technology

Superior PV Energy harvest

Transformer less with higher operation efficiency

Excellent thermal performance

Firm IP65 inverter enclosure allows outdoor application

Full data display and communications

LCD display energy data

Bright LED indicators imply system status at a glance

PC software for remote monitoring and system trouble shooting

Integrated RS232 serial communications

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MODELS AND RATING

Models SWG TL1100 SWG TL2000 SWG TL3000

Maximum DC Input Power 1200 W 2300 W 3550 W

Nominal AC output Power 1100 W 2000 W 3000 W

SOLAR POWER GENERATOR – SPG SERIES

The features of solar power generator are as follows:

DC Priority to reduce utility / grid consumption

Long back-up hours

Pure Sine wave output

No load disturbance during change over between mains and battery

Good output voltage regulation in line-mode operation

MODELS AND RATING

Models SPG P 500 SPG P 1000

Charging Current 6 10

Charging Voltage 12 24

SOLAR WATER PUMP

The features of solar water are as follows:

Drive power-matched three-phase AC Pump

Adopt advanced IGBT power module

High conversion efficiency, low temperature rise, low noise, long life span

Advanced MPPT technology, efficiency>99%

Perfect system protection, high reliability

LCD display

Modular design, easy to install, operate & maintain

Interface RS485/WiFi

APPLICATIONS

Drinking / Desert / Agriculture Water Supply Desalination of Water Scenic sport fountains

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Aeration machine cooling tower and other industrial usage

MODELS AND RATING

Models SVFA 3 SVFA 5 SVFA 7.5 SVFA 10

Motor Rating in HP 3 5 7.5 10

VFD capacity 4 kWp 5.5 kWp 7.5 kWp 11 kWp

I MW SOLAR PLANT AT KUPPEPALAYAM

SYSTEM CONFIGURATION

Application : Perfect for residential, utility and industrial applications

Range : Modules are available in the range of 280 - 300 W

Voc= 91.8 V

Isc = 1.19 A

Efficiency : Efficiency upto 18.42%

Junction Box : IP 68

Potting : Two-component potting of junction box for better fire protection

Frame : Higher anodized thickness for longer product life

Output Cable : 1000 +/- 50 mm cable provided with MC4 compatible connectors

Product Warranty : 10 years

Performance Warranty : 25 years

Multiple configurations - 72, 60 and 36 cells

Customized configurations - 54 and 48 cell configuration for international market

Semi-transparent modules for Building Integrated Photovoltaic (BIPV) application

Installed both monoctystalline and Thin Flim solar panels

Provided single axis tracking system for 500 kW mono-crystalline solar panels

Tracking system is activated for every 10 minutes with reference to irradiance and temperature

Battery banks are utilized for 46 kW stand alone system (Lighting)

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Provided underground cables inside the solar power plant

Noticed that frameless thin film solar panels are installed

Efficiency of thin film solar panels are lesser than mono-crystalline solar panels.

Installed Master and slave I, II inverter system

Slave I and II Systems are operated when the master inverter reached its 90% of rated power

Each string is connected with String Connection Box (SCB)

3000 Units are generated every day for the installed capacity of 1 MW

PHOTOGRAPHS AT SWELECT

Swelect Soalr PV FARMS

1 MW Swelect Energy System at Kuppepalayam

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Swelect Energy System, Kuppepalayam

Interaction with Swelect Project Engineer