China suffers the worst coal mine disasters in the world. Lots of miners lose their lives or
suffer occupational injury. Fortunately, China is developing vigorously intelligent coal …

The explosion risk is one of the major industrial risks, being present in all units which
produce, process, use, handle, store or transport hazardous substances, respectively …

In order to establish if a transformer corresponds to the requirements of the power network, it
is mandatory to know the consumption characteristics. Heretofore, the determination of load …

The need to analyze the power subsector, which generates critical infrastructure, comes in
the context in which the possible occurrence of cases of non-energy supply (black-out) …

Purpose. The aim of the study is to determine and analyse causes of faults in the operation
of TR-7A scraper conveyor and to estimate the required time for their remediation and select …

The paper presents an analysis of the filtering and correction of the distorted steady state
power factor. Due to the example analyzed, it was observed that in the distorted steady state …

The intrinsic safety type of protection significantly increased in complexity during the last
decades. Thus, it even provides the opportunity to use highly complex electronic circuits …

Risk assessment is a concept introduced for analysing the safety level in workplaces in
order to assess if enough and proper precautions have been taken or if their number and …

The purpose of this paper is to present the importance of the specific tests for electric motors
with type of protection increased safety „e” designed to be used in explosive atmosphere …

Most of the equipment operating in potentially explosive atmospheres in oil and gas industry
is represented by electric motors, which in most situations act on various other elements (eg …