MPPT load controller Victron SmartSolar 75/15 15A 12V / 24V

Victron SmartSolar MPPT 75/15: Maximum efficiency in small format, native bluetooth and intelligent battery protection

The correct administration of the direct current generated by the photovoltaic modules is crucial to guarantee the autonomy of the isolated installations and preserve the chemical integrity of the accumulators. The regulator Victron SmartSolar MPPT 75/15 It is presented as an advanced technological solution, robust and extremely compact, ideal for optimizing second residences, caravans, boats or autonomous signage systems operating with low voltages but require a millimeter and professional power control.

Photovoltaic performance optimized by ultra-fast tracking

The main competitive advantage of this model versus conventional pulse modulation controllers (PWM) lies in the agility of its power electronics. Your processor executes an algorithm of Ultrafast tracking of the maximum power point (MPPT) that adapts into microseconds to the light changes caused by partial passing or shaded clouds on the roof. This response speed decreases energy losses and manages to extract up to 30% more daily electricity from the same field of solar.

The device has a mechanism of Automatic voltage detection, which allows you to identify by yourself if you are connected to a 12V or 24V battery bank. The sizing of the plant is extremely simple, admitting a nominal photovoltaic power of up to 220w when working on 12V networks and duplicating its capacity up to 440W in 24V systems. If by thermal peaks or the effect of reflected radiation, the plates exceed these watts momentarily, the integrated software limits the output to the nominal maximum to shield the internal tracks without interrupting the operation. To mechanically secure the assembly of solar collectors on flat or inclined roofs, we suggest you review our catalog of of anodized aluminum.

Integrated wireless connectivity and extreme end electrical safety

Unlike traditional teams that require additional external screens or communication gateways, this model of the series Smartsolar It incorporates a high efficiency Bluetooth chip from the factory. This technology allows directly linking the regulator with a smartphone to program the load algorithms according to the manufacturer's specifications, review historical production and update the firmware. If you are looking for configuring a residential self-consumption system connected directly to the electrical distribution network to lower the daytime light invoice without physical storage, we have a section specialized in inverters networking.

The physical architecture of the SmartSolar MPPT 75/15 is designed under strict passive safety standards. To avoid catastrophic breakdowns by electric arcs or surge, the input string must rigorously respect a Maximum Voltage of Open Circuit (VOC) of 70V and a short circuit intensity (ISC) that does not exceed any concept 15a. The daily cycle starts automatedly when the voltage of the Photovoltaic is 5V above the actual battery voltage, and it is maintained by efficiently operating as long as a minimum 1V differential during sunlight is preserved.

Technical characteristics:

• Battery voltage: Intelligent automatic detection for 12V and 24V systems.

• Nominal load current: 15 A.

• Photovoltaic power (FV) Maximum nominal:

  • In 12V: 220 W configurations

  • In 24V: 440 W settings

• Maximum tension of open circuit (VOC): 70 V DC.

• Maximum short circuit intensity (ISC): 15 a (critical entry limit to avoid damage).

• Boot margin: Upper Battery + 5V voltage to start; and battery + 1V in work phase.

• Serial communications: Intelligent Bluetooth integrated for mobile app and physical port VE.Direct.

• Dimensions of the chassis: 100 mm wide x 113 mm high x 40 mm deep.

• Net weight of the team: 0.5 kg

• Availability: In stock.

FAQ Section (Frequently Asked Questions)

1. What is the real difference between this SmartSolar MPPT regulator and a classic PWM regulator?

The PWM regulator strength to the solar plates to work at the same tension having the battery, wasting the excess voltage of the panel. Instead, the MPPT algorithm of Victron Set continuously the voltage and current to always be placed at the point of maximum power, which allows to take advantage of up to 30% more daily energy under cloudy skies.

2. What happens if I connect a power of Superior than recommended for my voltage?

The SmartSolar MPPT 75/15 has a software self-protection system. If your photovoltaic field exceeds 220W to 12V or the 440W to 24V, the regulator will not suffer damage or will burn; It will simply cut out the surplus and actively limit the load current to its nominal 15A.

3. Why is it essential that the short circuit intensity (ISC) of the Do not exceed 15a?

The 15A are the maximum physical limit of resistance that the terminals and the internal electronics of the controller admit. If you connect a combination of Solar that exceeds this amperage, the generated heat can melt the tracks of the circuit or break the internal transistors, invalidating the warranty.

4. What are the voltage conditions necessary for the team to start uploading in the morning?

To break the inertia and activate the loading process, the total tension produced by the chain of Solar should be required at least 5V higher than the current voltage of your battery. Once the operation is started, the regulator will continue to operate stably as long as the solar voltage is kept 1V above the battery.

5. How can I configure this regulator Victron 15A if my installation has lithium batteries?

By incorporating the SmartSolar technology with bluetooth native, the process is very simple. You just have to download the official VICRONCONNECT application on your mobile phone, pair wirelessly with the regulator and enter the battery settings to select the lithium-preconfigured profile (LIFEPO4) or manually enter the exact tensions of absorption and flotation.