Criterion accessories unit performs his presence, or at least the possibility of complete fuel tank of large capacity. Thus, the manufacturer initially involves long continuous operation generator set. Another attribute 'klassnosti' – the frequency of oil changes. For high-quality motors this parameter is not less than 100 hours of work. About largely able to tell, and 'internal' engine. For example, if he cylinder walls do not iron, and aluminum, the engine in front of you is not high class. Also, pay attention to the material of the filter (air, fuel, oil).

In simple models, usually using paper therefore, filters require periodic replacement. This unit is an electric generator, in fact, generates an electrical current. Depending on the type of an electric power plant copes better with certain tasks. Single or three-phase generators. Their name derived from the purpose – to nourish the relevant consumers. In this case, a single-phase generators that produce alternating current voltage of 220 V / 50 Hz, can only be connected single-phase loads, whereas a three-phase (380/220 V, 50 Hz) and those, and others (on the dashboard there are appropriate outlets, or Enclosures). With single-phase electric power generators are all more or less clear: the main thing – properly 'Count' of all its customers, to take into account possible problems (eg, high inrush currents) and select the unit with the corresponding actual output. When connected to a three-phase generator three-phase loads of the same situation is similar. But when connected to a three-phase generator phase consumers there is a problem, referred to as' phase imbalance.

Control Protection

In recent years, fire protection materials, designs and products has become increasingly important in the construction of buildings and structures. In our country, for fire protection are numerous organizations that were license for this activity. However, the quality of fire protection at the sites do not always correspond to modern and current requirements, with the major disorders are directly related to the desire of producers maximize profits. It may be noted the following major weaknesses of the fire protection work: the poor quality of surface preparation designs (products), subject to fire-retardant treatment, which in one way or to some degree affects the adhesion properties of coatings, non-essential consumption rates of the material or thickness of the coating on the treated surface structures (products); violation compounding a flame retardant that automatically may reduce the effectiveness of fire protection and adhesion properties, non-compliance of technical standards in the manufacture of flame retardants rabot.Ukazannye violations involve a reduction in fire resistance of structures, engineering equipment, increasing the fire hazard of materials and products, which generally leads to a mismatch of fire resistance design of structures fire resistance buildings (structures) and the deterioration of facilities for fire safety. All this leads to the need for a quality control system of fire protection. Quality control of fire protection at various sites usually in the following cases: when accepting the objects after fire retardant treatment, the solution of various controversial issues (doubt the quality of work, certainly as applied composition, complaints, complaints, etc.) after a certain period of operation (typically required for sites where fire-retardant treatment took place more than 5 years ago), during the inspection control on the line licensing.