An Analysis of Fires Due to Violation of the Rules for Design and Operation of Electrical Plants, and How to Prevent them in Residential Buildings (on the Example of the Amur Region)

The Power Quality Improving and its Losses Reducing with Balancing Devices

“…In fact, the research results [19] show that in existing electrical networks, these indicators value significantly exceeds the established limits. In addition, multi-ampere asymmetric currents create additional power losses, which leads to electrical energy overspending, and also creates a fires risk [15,16]. The evaluating additional losses criterion is the power loss coefficient K P , which is the power losses ratio due to the symmetric components forward, negative and zero sequences flow to the corresponding losses due to the forward sequence currents [20,21].…”

“…Many years research in this area have allowed to establish that the most characteristic and objective 0.38 kV networks operation modes is the asymmetric mode (AM) [9][10][11][12][13][14]. On the one hand, these modes lead to an increase in unproductive electricity losses, including the fire hazardous situations possibility [15][16], on the other hand, to a significant decrease in the electricity quality characteristics, which leads to inadequate electric receivers operation. In accordance with this, the research mechanisms AM creation is one of the low-voltage electric power industry urgent tasks.…”

“Green technologies” elements by the individual residential buildings internal electrical networks operation

“…The IRB three-phase voltage system unbalance is formed due to the unbalancing distribution of the single-phase receivers to the network three phases and their random nature switching. On the one hand, this reduces the power quality, on the other hand, additional losses occur, which lead not only to an increase in the electrical energy consumption, but also to the emergency danger fire situations [15][16]. The power quality in unbalance modes is assessed by appropriate indicators, the value of which is set by state different countries Standards (The coefficients and values at the electrical energy transmission point in the 95% of the measurement interval time should not exceed 2%.…”

“…In accordance with the studied indicators calculations, their time diagrams changes are constructed, taking into account a balancing device connection on the IDD tires of each IRB (figures [13][14][15][16]. The presented dependencies analysis (figures 13-16) showed the following.…”

The 0.38 kV “Green Network” Operating Modes Simulation with Multi-Level Unbalanced Power Consumption

“…Many studies have found that almost any rural low-voltage networks operation mode is objectively unbalance [10][11][12][13][14][15], which manifests itself in a significant the established quality indicators excess [16- ]. In addition, the currents unbalance also leads to additional energy losses, leading not only to its overspending and significant additional costs, but also to the fire-hazardous situations [19][20][21]. In this regard, the balancing automated technical means use to normalize a low-voltage network (LVN) operating modes can be considered one of the technologies for creating "green networks".…”