Product description
UM | Zone II | Zone III | |||||
Distance between the end reinforcements - a | mm | 3094 | 3298 | ||||
Numar de rile mari / rile mici | 33/64 | 33/64 | |||||
The diameter of the insulating parts | |||||||
Miez (tija centrala) – d3 | mm | 34 | 34 | ||||
Rile mari / rile mici – d1/d2 | mm | 144/106 | 144/106 | ||||
Creepage distance | cm | 1024 | 1076 | ||||
Distanta de eclatare – K | mm | 2900 | 2950-2990 | ||||
Arc distance | mm | 3204 | 3458 |
Obs: Inelele de protectie se monteaza pe elementele de capat ale izolatoarelor sau pe elementele de lanturi, in functie de aplicatie.
420 kV | The maximum voltage of the network |
50 Hz | Nominal frequency |
680 kV | Holding voltage 50 Hz 1 min. in dry environment and under rain |
1050 kVmax | Holding voltage at switching pulse under rain 250 – 2500 μs |
31,5 kA | Short circuit current |
210 kN | Specified mechanical load – SML |
105 (110) kN | Individual mechanical load - IML |
>1550 kVmax | Holding voltage at lightning impulse 1,2/50 un dry state |
<1930 kVmax | Voltage 50% bypasses to lightning impulse in dry state 1.2/50 μs |
Symbolistic of end fittings | Anchorage distance | UM | Informative weight fara inele de protectie | |||||
l(±15) mm | II | III | ||||||
BS Symbolistic of end fittings | a + 323 | kg | 13.7 | 14.2 | ||||
TT Right piece – Right piece | a + 340 | kg | 13.8 | 14.3 | ||||
SS Socket – Socket | a + 330 | kg | 14 | 14.5 |
Notes:
Izolatoarele compozite se monteaza cu inele de protectie. La cerere, asamblarile de capat ale izolatoarelor compozite se executa in combinatiile dorite, cu modificarile corespunzatoare ale distantelor de ancorare.
- + Dimensional characteristics
UM Zone II Zone III Distance between the end reinforcements - a mm 3094 3298 Numar de rile mari / rile mici 33/64 33/64 The diameter of the insulating parts Miez (tija centrala) – d3 mm 34 34 Rile mari / rile mici – d1/d2 mm 144/106 144/106 Creepage distance cm 1024 1076 Distanta de eclatare – K mm 2900 2950-2990 Arc distance mm 3204 3458 Obs: Inelele de protectie se monteaza pe elementele de capat ale izolatoarelor sau pe elementele de lanturi, in functie de aplicatie.
- + Electrical and mechanical characteristics
420 kV The maximum voltage of the network 50 Hz Nominal frequency 680 kV Holding voltage 50 Hz 1 min. in dry environment and under rain 1050 kVmax Holding voltage at switching pulse under rain 250 – 2500 μs 31,5 kA Short circuit current 210 kN Specified mechanical load – SML 105 (110) kN Individual mechanical load - IML >1550 kVmax Holding voltage at lightning impulse 1,2/50 un dry state <1930 kVmax Voltage 50% bypasses to lightning impulse in dry state 1.2/50 μs - + Symbology
Symbolistic of end fittings Anchorage distance UM Informative weight
fara inele de protectiel(±15) mm II III BS Symbolistic of end fittings a + 323 kg 13.7 14.2 TT Right piece – Right piece a + 340 kg 13.8 14.3 SS Socket – Socket a + 330 kg 14 14.5 Notes:
Izolatoarele compozite se monteaza cu inele de protectie. La cerere, asamblarile de capat ale izolatoarelor compozite se executa in combinatiile dorite, cu modificarile corespunzatoare ale distantelor de ancorare.