Solar PCU
Solar Off Grid Inverter
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Overview
Enertech Solar Inverter indigenously manufactured in Pune, India works by converting the direct current (DC) electricity from a photovoltaic array into alternating current (AC) and are perfect for household as well office use. The inbuilt solar charge controller is used for regularising the power flow. MPPT based solar inverter the firing angle is adjusted to get voltage output such that higher current at output is available for battery charging. Same can be discharged through the Solar Inverter to provide conditioned AC power to the consumers. Option is also available for battery charging with unique topology of solar charging having priority only in case of battery discharged to a pre-determined level and if solar is unavailable the mains grid will charge the battery to certain level leaving scope of further battery charging next morning when solar is available. This feature is provided to make maximum use of solar energy to minimize electricity bills.
The solar charger has a PF of more than 0.9 with protections such as overload, short circuit & reverse grid for the inverter. The solar inverter also comes with an auto DUSK ON facility to utilize maximum energy from the solar panel.
Solar inverter has an overall efficiency greater than 90%.
An easy-to install and a cost effective solution which can cater to the growing power needs.
The single phase solar inverters comes in the range of
500 watts to 20 Kilowatts.
The three phase solar inverters comes in the range of
10 Kilowatts to 100 Kilowatts.
- Features
- Working
- Specifications
- Photos
- Truth table
- Maximum Power Point Tracking (MPPT) design.
- PWM technology mains grid charger & inverter
- Power quality audit through software
- Scheduled shutdown
- Digital & graphical representation of parameters
- SMS & e-mail alerts
- Pure sine wave output with low total harmonic distortion (THD)
- High efficiency & high reliability
- Pulse by pulse current limiting with auto-reset resulting in efficient overload and short
circuit protection.
- Battery pole reversal protection & battery deep discharge protection.
- Noiseless in operation
- When solar energy is sufficient then output of MPPT charger is given both to batteries & inverter, the output of inverter will give AC voltage to load.
- When solar energy is weak then inverter is taking the possible DC source from solar in combination with batteries.
- If batteries have low a voltage condition then load is shifted to mains grid & batteries are charging on solar output.
- If solar energy is not sufficient to charge the batteries the mains grid charger will be active & DC voltage is given to batteries in combination with solar energy.
- Once batteries are fully charged then load is automatically shifted to inverter & inverter is operating on solar & batteries
| 1) Rating |
1KVA |
1.5KVA |
2KVA |
3KVA |
5KVA |
| 2) DC VOLT |
24 OR 48VDC |
48VDC |
96VDC |
| 3) I/P RANGE |
20V - 30VDC |
40VDC-TO--60VDC |
80V - 115VDC |
| 4) DC AC EFF |
>90% |
| 5) O/P WAVEFORM |
PURESINEWAVE |
| 6) THD |
<3% FOR LINEAR LOAD,5%FOR NONLINEAR LOAD |
| 7) LOAD PF |
0.8 TO UNITY |
| 8) CREST FACTOR |
3:1 |
| 9) METERING |
LCD DISPLAY FOR :
I/P DC volt; O/p volt AC; O/P Current; O/p frequency; Dc current |
| 10) Indication |
DC ON; DC Under; DC Over; Overload; Load on mains; Mains charger on |
| 11) PROTECTIONS |
Battery low/dc under; Dc over; Over load/short circuit; Manual c/o to mains charger incase of solar not available; I/P reverse polarity blocking diode |
| 12) FEATURES |
In built high frequency SMPS type MPPT charger; In built galvanic isolation; MPPT eff --93% |
| 13) Indications for MPPT |
Solar ON; Charging ON |
| 14) SWITCH GEARS |
a) I/P MCB for solar, Battery, MPPT; b) O/P MCB for AC |
| 15) Fuses |
Fuse protection at dc and ac side |
| 16) IEC/BIS |
PRODUCT MEETS IEC/BIS STANDARDS |
| 17) Energy Meter (Optional) |
For Solar energy |
Priority = Solar

Battery

Mains

DG Set
| Sr. No. |
Solar |
Battery |
Mains |
DG Set |
Load On |
Panel Indication |
Energy Bill Noting |
| 1) |
100% |
100% |
OFF |
OFF |
Solar |
Solar ON |
NA |
| 2) |
75% |
100% |
OFF |
OFF |
Solar (75%)+ Battery (25%) |
Solar ON + Batt |
NA |
| 3) |
50% |
100% - 50% |
OFF |
OFF |
Solar (50%) + Battery (50%) |
Solar ON + Batt |
NA |
| 4) |
25% |
100% - 50% |
OFF |
OFF |
Solar (25%) + Battery (75%) |
Solar ON + Batt |
NA |
| 5) |
0% |
100% |
OFF |
OFF |
Battery |
Battery |
NA |
| 6) |
NA |
90% |
OFF |
OFF |
Battery |
Battery |
NA |
| 7) |
NA |
85% (Cut off) |
OFF |
ON |
Battery |
Battery |
NA |
| 8) |
NA |
Discharge |
ON |
OFF |
Mains |
Mains ON |
For 100% load |
| 9) |
NA |
Charging |
OFF |
ON |
DG Set |
DG Set |
NA |