Mastervolt Powerbook 2023 EN

n Power Sharing This concept is related to the performance of the charger part of a Combi when connected to the grid or a generator. It involves the automatic power intake regulation of the battery charger when the power is very low. As soon as the power fuse is in danger of being overloaded, the battery charger automatically reduces its output current so that tipping of the power fuse is prevented. n Power Assist A feature found in the Mastervolt Combi series. Power Assist ensures that the power supply to onboard consumers is partially provided by the batteries if the power is in danger of becoming overloaded. It is activated after the battery charger’s output has been reduced to zero via the power sharing system in the Combi. n RCM approval Regulatory Compliance Mark (RCM). This means that the product complies with the requirements of Electrical Regulatory Authorities Council (ERAC) in Australia. n Recombination technology Used in AGM and Gel batteries to make sure that the gas (oxygen and hydrogen) generated by charging is recombined into water. This means that the batteries can be entirely maintenance-free and sealed. n RRR approval The Russian River Register sets standards for products and manufacturers in terms of quality, safety and environmental friendliness. Only products certified by the RRR are allowed onboard vessels sailing on the country’s inland and coastal waters. n RMRS approval The Russian Maritime Register of Shipping sets standards that products and manufacturers must meet in order to be allowed onboard vessels flying the Russian flag within Russian territorial waters (seas and inland waters). The institute is also responsible for related inspections. n Self-discharging The decrease in the capacity of a battery that occurs when no load is connected. A flooded battery loses 1% per day, an AGM battery and Gel battery 2 % per month and a Lithium Ion battery less than 3 % per month. The higher the ambient temperature, the more self-discharging will occur. Current leakage due to intense pollution or humidity between the poles can also cause a higher level of self-discharging, so you should always keep the top of your batteries clean and dry. n Semi-traction battery A semi-traction battery has fewer but thicker plates in each cell, compared to starter batteries. Semi-traction batteries supply a relatively lower starter current, but can be discharged more often and to a greater extent (200 to 500 full cycles). This kind of battery is highly appropriate for the combined function of starter/ service battery. n Series connection A series connection (the positive pole of each battery is connected to the negative pole of the next) increases the voltage of the total battery set. For example, when two 12-volt batteries with a capacity of 55 Ah each are connected in series, the total voltage of the set will be 12 + 12 = 24 volt, while total capacity remains 55 Ah. n Sine wave The alternation of voltage can be graphically indicated by a sine wave. This consists of a line that follows a wave pattern around a horizontal axis, which represents the passage of time and also the points at which voltage is zero. Once the line has traced one entire wave above the time axis and one entire wave below, a whole sine wave has been outlined. n Square millimetre (mm²) Unit in which cable diameters are measured. With a direct current system of 12 or 24 volt, three amps should correspond to one mm² of cable thickness. TECHNICAL BACKGROUND S For 230 volt systems allow 6 amps for each mm². Both apply for a maximum length of 3 metres. n Soft start Device used to reduce the inrush current of transformers and motors. n Standby mode In this mode the inverter emits a small pulse instead of the usual 230 volt output. It detects when an appliance is switched on and then automatically switches on, supplying 230 volt until the output current falls below a pre-set value. When there is little or no output current, this means that no load is connected and the inverter switches back to stand-by. This system saves a great deal of energy. n Starter battery Mainly used to start engines. Although these batteries can deliver a high current, they should not be excessively or too frequently discharged and are therefore not appropriate for lighting purposes. AGM batteries are ideal to serve as starter battery and limited cyclic use. n Temperature correction If the battery temperature is lower than 25 ºC, the charge voltage should be adjusted upwards. When higher, the charge voltage needs to be reduced. This temperature correction is 30 mV per ºC for a 12 V battery and 60 mV per ºC for a 24 V one. While this may seem insignificant, it is essential to ensure a long battery life. n Temperature sensor A temperature sensor should be attached to the battery so that the charger can optimise charge voltage with respect to the battery temperature. The charge voltage depends on the battery tempe­ rature (see also Temperature correction). n Traction batteries Used for propulsion, powering equipment and inverters, etc. They can be discharged often and completely, and in a Gel version are highly suitable for onboard use. Flooded cell batteries are only appropriate for forklifts, etc. R T 150