Explanation/Annotation:For protection against atmospheric overvoltage of electric equipment insulation
alternate current by the frequency 50 - 60 Hz
Detailed model description:For networks with any system of neutral grounding (15,
20, 35 kW) are being manufactured and for networks with effectively earthed neutral (33, 66, 110,
132, 150, 220 kW).
consist of one or several standard cells, each of cat
La Oroya includes the bloc of multiple spark gap and working resist
outdoor switchgear. The multiple spark gap is in series with ðàáî÷
by them by resistors, is closed by the hermetic armoured case and has been squeezed compressors
ouch. The spark gap column is closed by the lid, protecting the top end ýëåìå
HT from atmospheric precipitations. The phase lead of high-voltage line ïîäê
ëþ÷àåòñÿ to contact plate in the lid, and the grounding lead _ to
bolt of steel base plate directly or through registrant
operation. To lid of upper element of spark gaps on nominal on
ïðÿæåíèå 110 kW and higher is fastened shading ring.
technical characteristics
nominal voltage, apartment. 150
greatest permissible
voltage on spark gap, apartment. 138
breakdown of impulse voltage
in case of limit discharge
time from 2 to 20 usecs, apartment. 375
mass, kg. 338
overall dimensions, (height), MM. 3460 |
