שענהאַי יקספּלאָוזשאַן-דערווייַז
לויט GB3836.1—2010 “עקספּלאָסיווע אַטמאָספערעס טייל 1: ויסריכט אַלגעמיינע רעקווירעמענץ,” יקספּלאָוזשאַן-דערווייַז עלעקטריקאַל עקוויפּמענט איז דיזיינד פֿאַר אָפּעראַציע אין אַטמאַספעריק ינווייראַנמאַנץ. די טיפּיש אַטמאַספעריק טנאָים אַרייַננעמען:
1. אַ אַטמאַספעריק דרוק קייט פון 0.08 צו 0.11 מפּאַ;
2. אַן זויערשטאָף concentration of 21% (לויט באַנד) אין נאָרמאַל לופט, with other inert gases like nitrogen constituting 79% (לויט באַנד);
3. An ambient טעמפּעראַטור between -20°C and 60°C.
The operational environment of electrical equipment is vital for its safety. פֿאַר בייַשפּיל, 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, אין שטרענג קאַסעס, מאַלפאַנגקשאַנז. Specifically for יקספּלאָוזשאַן-דערווייַז עלעקטריקאַל עקוויפּמענט, exceeding the prescribed temperature range could compromise the explosion-proof integrity of certain types.
דערצו, the air’s oxygen content significantly affects the safety of explosion-proof electrical devices. Operating equipment intended for יקספּלאָוסיוו components in an “oxygen-rich” setting may pose risks. אין אַזאַ ינווייראַנמאַנץ, the altered פארברענען properties of flammable gases can challenge the normal function of equipment designed for standard conditions.