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S. No. 58/7A/1, Opp. Kheteshwar Ashram, Gokul Nagar, Katraj Kondhwa Road, Kondhwa Bk.
Pune - 411 048, India.
Tel. : +91 20 2696 2548, 2696 1311, +91 9404731535
Email:solarpv@vitronicscontrols.com
Solar PCU Inverter
400 VA to 30 KVA Solar Hybrid Inverter (PWM PCU) 5 KVA to 30 KVA Solar Hybrid Inverter (MPPT PCU)
400 VA to 30 KVA Solar Hybrid Inverter (PWM PCU)
Solar UPS  
PWM PCU MPPT PCU  
 
How does it work ?
Working of Solar Hybrid Inverter
 
How “Powerline” Solar PCU Works.

In solar inverter : --Inbuilt solar charger 40A .It is very easy to install solar inverter you have to connect only solar panel to the connector given. Intelligent solar inverter acts as a solar inverter when battery charger from solar and acts as a normal inverter when battery charges from mains. In solar mode bill reducing protocol is in built In this When Battery charges to 14.2 V/Batt from Solar or Battery is greater then 13v/Battery and Solar Charging current Exceeds 15 A. It switches OFF mains and inverter starts working .On Display it shows Solar Inv ON It uses solar power & converts it to 230 & feed to load connected. When solar power is less it draws power from battery.

When battery discharges to 60% of its capacity i.e 11.5 V /batt it switches on Mains and Battery charges from solar . when again battery charges up to 14V same cycle repeats In this case it never charges battery from Mains .In case of Mains Failure If battery goes below 11 v and if solar is not present it charges battery from Mains upto 13 V Balance 40% battery capacity is used when there is no mains & no solar power available. On the display solar power generation is displayed

 

What follows is a brief explanation of this protocol:

  1. When the single battery voltage is between 10.5 V to 12 V, the inverter unit selects the Mains supply line or Solar Power as the source of charging. Even if the Mains supply is available.
    But solar power is strong inv will charge batteries on solar only & The load is connected to  the Mains (if present) in this mode.
  1. Between 12V to 14V, the battery is charged using the Solar Supply (if present), even if the Mains is present. The load is on Mains in this mode.

  2. When the battery voltage reaches 14.2V, the unit switches over to the Inverter mode, charging continues from the solar supply and the load gets shifted from Mains to the Battery(the INV ON indicator lights up) , even if the Mains is present (the Mains Indicator starts flashing to show the presence of Mains). The unit is then supposed to have entered into SOLAR ZONE. In this zone, the Solar energy stored in the battery is utilized, saving the electricity.
  1. At battery voltage 14.2 V, the charging(either from Solar or from Mains) stops, then starts again when it falls down to 13.8V(when Solar present), again stops at 14.2 V. This is the trickle charging operation.

  2. If Mains supply cuts off during the solar zone, the unit maintains its “solar-zone” mode. Therefore, when the Mains supply resumes, the unit continues to operate in Inverter mode and the load is supplied by the battery.
  1. When the battery voltage reaches 11.5V per battery during the solar zone, the unit switches back to the Mains Supply, the charging continues from solar supply and the load gets shifted back on Mains Supply.

  2. When Mains & Solar Power both are not available inv will start working on battery mode.

  3. When the battery voltage is below 10.5V, the unit enters a shut down.

Bill Reduction Protocol (BRP) for Solar Inverters

Considering the need of the Indian Customers, VITRONICS have introduced a unique feature of the Inverter Battery Power Management using a specific pattern of electricity utilization from Solar Panel and Mains Supply Lines.
This pattern is developed after rigorous surveys conducted across the country, both in rural and urban areas, to understand the power demands, availability of electricity supply and average solar energy available from moderately efficient solar panels.
The protocol thus developed, when bundled with the Pure Sinewave Inverters, renders a major benefit to the customer in achieving considerable reduction in his electricity bill.

Technical Specifications NGreen Solar PCU (PWM)
 

 

400VA/600VA/800VA/12V

1000VA/1500VA/24V

2000VA/2500VA/3000VA/48V

4000VA/5000VA/6000VA96V

Input voltage (UPS)

180-260V

180-260V

180-260V

180-260V

Input voltage (INV)

130-280V

130-280V

130-280V

130-280V

Output voltage on mains mode

Same as input

Same as input

Same as input

Same as input

Out voltage
e on inverter mode

220 ±5%

220 ±5%

220 ±5%

220 ±5%

Output frequency on inverter mode

50Hz ±0.1Hz

50Hz ±0.1Hz

50Hz ±0.1Hz

50Hz ±0.1Hz

Display  

Battery - Voltage, load % ,Mains voltage ,Solar Generation, Status of inverter.

Battery - Voltage, load % ,Mains voltage ,Solar Generation, Status of inverter.

Battery - Voltage, load % ,Mains voltage ,Solar Generation, Status of inverter.

Battery - Voltage, load % ,Mains voltage ,Solar Generation, Status of inverter.

Switching from mains to inverter and from inverter to mains.

Automatic

Automatic

Automatic

Automatic

Switching from mains to UPS and from UPS to Mains

Automatic

Automatic

Automatic

Automatic

Bill Reducing Protocol

Available

Available

Available

Available

Output waveform on mains mode.

Same as input

Same as input

Same as input

Same as input

Output waveform on inverter mode.

PURE SINE WAVE

PURE SINE WAVE

PURE SINE WAVE

PURE SINE WAVE

Battery charging current
Cccv with float boost charging

Constant charging approx 6% of the rated battery current in AH.

Constant charging approx 6% of the rated battery current in AH.

Constant charging approx 6% of the rated battery current in AH.

Constant charging approx 6% of the rated battery current in AH.

Charger

Power factor controlled boost technology

Power factor controlled boost technology

Power factor controlled boost technology

Power factor controlled boost technology

Efficiency

> 90%

> 90%

> 90%

> 90%

Inverter overload

120% for 20 sec
150 % for 3sec

120% for 20 sec
150 % for 3sec

120% for 20 sec
150 % for 3sec

120% for 20 sec
150 % for 3sec

Inverter short circuit

300%

300%

300%

300%

Technology

DSP BASED DESIGN.

DSP BASED DESIGN.

DSP BASED DESIGN.

DSP BASED DESIGN.

Auto reset features

Yes

Yes

Yes

Yes

 
SOLAR CHARGER SPECIFICATON

PV Panel Input Voltage

15-21 V

30-43 V

60-85 V

120-180 V

Output Voltage

12V

24V

48V

96V

Output Current, solar charging

10 to 40 Amp

10 to 40 Amp

10 to 40 Amp

10 to 40 Amp

Battery Full Charge Cutoff

13.8/14.2  VDC

27.6 /28.4 VDC

55.2/56.8 VDC

110.4/113.6 VDC

 

 
Energy saving due to solar inverter

Priority = Solar ----> Battery ----> Mains

Sr. No. Solar Battery Mains Load On Panel Indication Energy Bill Noting
1. 100 % 100% OFF Solar INV ON NA
2. 75 % 100% OFF Solar (75%) + Battery (25%) INV ON NA
3. 50 % 100% - 40% OFF Solar (50%) + Battery (50%) INV ON NA
4. 25 % 100% - 40% OFF Solar (25%) + Battery (75%) INV ON NA
5. 0 % 100% - 40% OFF Battery INV ON NA
6. NA 100% - 40% OFF Battery INV ON NA
7. NA 40% ( Cut Off ) ON Mains MAINS ON For 100% load
8. NA Discharge ON Mains MAINS ON For 100% load
  • Design based on PWM/MPPT (Maximum Power Point Tracking)
  • Power quality is audited through specially designed software
  • They have digital representation of parameters
  • Solar off grid inverters are preferred for pure sine wave output with DSP Technology with low total (THD)
  • Battery deep discharge protection
  • Bi directional solar inverters have PWM / MPPT technology based mains grid charger and inverter
  • The machines are equipped with scheduled shutdown and pulse by pulse current limiting with audio reset resulting in efficient overload and short circuit protection
  • Ecofriendly operation .
 
Salient Features
 
A. Inverter
Sr.No. Description  
1. KVA Rating 400 VA to 3 KVA
2.

Input

 
  Nominal:
Variation:
12 to 48 V D.C
3. Frequency Variation

50Hz +/- 0.1 %
(Crystal controlled)

4. Output Voltage Regulation +/- 2 % for total input variation range & No load to full load
5. Topology True Sine Wave Off-Line
6. Efficiency >85%
7. Isolation between Input to output 500VDC for 1 Min
8. PWM Switching Frequency 24Khz
9. Output Distortion < 5% for any type of load
10. Total power Factor 0.8 lag to 0.8 lead
11. EMI / RFI As per International Standard for the Subsequent Clause
12. No Load Current 750mA to 1Amp
 
B. ZERO DROP SOLAR CHARGE CONTROLLER
Sr.No. Description  
1. Charger Amp Rating 30 Amp
2.

Nominal battery Voltage

12 to 48 V 
3. PV Open Circuit Voltage

21 V Per Batt

4. Charging Regulation Methods Boost & Float
5. Power Conversion Efficiency > 98%
 
C. Complete System
Sr.No. Description  
1. Protection
  • Battery Under Voltage
  • Battery Over Voltage
  • Mains Input Under Voltage
  • Battery Reverse(Optional)
  • Mains Input Over Voltage
  • Output short Circuit
  • Output Over Voltage
  • DSAT 10uS (FET / IGBT- Saturation)
2.

Display

  • Input Voltage
  • Output Voltage
  • Load
  • Battery Voltage
  • Solar Generation(In Wattage)
3. Operating Temperature

0°C to 50°C

4. Storage Temperature

-20°C to 80°C

5. Overall Audio able Noise < -60 db
 
Features - SOLAR DSP SINE WAVE HOME U.P.S
  • DSP based; less components, small size less electricity bill more efficiency.
  • Soft start features; protects appliances at startup.
  • Supply the highest quality pure sine wave power; protects your expensive household appliance and sensitive office equipments.
  • Highly cost effective design.
  • Easy to operate.
  • Low maintenance cost.
  • Over load and D.C. low protection.
  • Software controlled Auto self testing.
  • Fully computer friendly UPS operation.
  • Intelligent Auto sense; continuously monitors health of system.
  • AC Input low and high voltage cut off protections in both, inverter and U.P.S. modes.
  • Constant voltage/Constant current pulse charging with wide Input range (130-280) V. Charging current-10Ampr)
  • Silent operation of fans, tube light or appliances.
  • Quick change over from Mains to inverter mode.
  • Software controlled Auto reset feature for over load, short ckt and low battery.
  • Special charging algorithm to enhance battery life.
  • Fully protected against short circuit of AC mains with output.
  • Phase to phase short circuit protection.
  • Very low no load current for prolonged battery operation under standby.
  • Cooling fan improves reliability of system.
  • Secure operation; No tension for night charging.
  • Intelligent charging; adapts itself to low, high battery, more and less power cut areas, battery health conditions.
  • Can even charge 6.4 volt deep discharged battery.
  • Reverse battery protection (optional).
  • Generator compatible.
  • High efficiency; better than 90%.

Solar Features

  • Auto switchover between solar and mains charging.
  • Zero drop solar charger (10-30)Ampr.
  • Simultaneous charging through mains as well as solar panel.
  • Short charging time.
  • Long battery backup.
  • LCD Display to monitor all technical parameter including power generation through solar energy.

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