Shenhai Ho phatloha-Bopaki
Ho latela GB3836.1-2010 “Karolo ea Atmospheres e phatlohang 1: Thepa Kakaretso Litlhoko,” thepa ea motlakase e thibelang ho phatloha e etselitsoe ho sebetsa libakeng tse sepakapakeng. Maemo a tloaelehileng a sepakapaka a kenyelletsa:
1. Khatello ea sepakapaka e tloha ho 0.08 ho 0.11 MPa;
2. An oksijene concentration of 21% (ka bophahamo ba modumo) moeeng o tloaelehileng, with other inert gases like nitrogen constituting 79% (ka bophahamo ba modumo);
3. An ambient mocheso between -20°C and 60°C.
The operational environment of electrical equipment is vital for its safety. Mohlala, explosion-proof electrical devices are often specified to operate in temperatures between -20°C to 40°C. Lower atmospheric pressure, which implies thinner air, can adversely affect the cooling efficiency of electrical devices. Likewise, fluctuations in atmospheric temperature influence cooling performance, directly affecting the device’s operational efficiency.
When electrical equipment’s designed environment diverges from the actual atmospheric conditions, it’s crucial to adjust the parameters, particularly for high-power devices, to maintain safety standards.
The designated operational environment temperature, set during the design phase, outlines the permissible temperature range for the equipment’s operation. This environment temperature forms the foundation for all the equipment’s performance indicators. Discrepancies between the actual and designed environments can lead to underperformance or, maemong a boima, ho se sebetse hantle. Specifically for lisebelisoa tsa motlakase tse thibelang ho phatloha, exceeding the prescribed temperature range could compromise the explosion-proof integrity of certain types.
Ho feta moo, the air’s oxygen content significantly affects the safety of explosion-proof electrical devices. Operating equipment intended for qhoma components in an “oxygen-rich” setting may pose risks. Libakeng tse joalo, the altered ho tuka properties of flammable gases can challenge the normal function of equipment designed for standard conditions.