(7232) 29-33-75 fax: (7232) 29-33-76

Capacitive voltage dividers

kond-svyaz-delit-007

Application:

to complete capacitive voltage transformers of voltage classes 110, 220, 330, 500, 750 kV and to secure high-frequency communication from 24 up 1000 kHz along AC electricity transmission lines of frequency 50 Hz.

Table 1

 

Type designation Rated voltage, kV Rated capacitance, nanofarad Creepage distance, not less, cm Overall dimensions, mm Weight, kg Normative document
total 1-2 2-3 diameter height
(without terminals)
DOCI-110 UHL1 110/√3 18,0 22,22 94,75 315 334 1664 176±15 СТ 1474-1917- -АО-4-039-2012
DOCI-220 UHL1 220/√3 9,0 9,94 630 3328 336±15
DOCI-330 UHL1 330/√3 7,0 7,47 110,55 905 352 3168 448±30
DOCI-500 UHL1 500/√3 4,5 4,69 107,68 1357 4747 680±30
DOCI-750 UHL1 750/√3 3,0 3,08 1810 6336 902±35

Intermediate voltage for DOCI of all voltage classes - 12,064 kV. Capacitive voltage dividers are completed with capacitors CMAOI -110√/3 (166√/3,188√/3) and CMAI-110√3 (166√/3, 188L/3). Dividers for voltage 500 and 750 kV are equipped with electrostatic screen.
Dividers are completed with capacitors, as it is indicated in Table 2.

Application:

to complete capacitive voltage transformers of voltage classes 110, 220, 330, 500, 750 kV, to secure high-frequency communication from 24 up to 1000 kHz in AC electrical systems of frequency 50 Hz, in telecontrol devices, devices of protection, voltage measurement, power take-off.

Table 2

Type designation Tangent of loss angle Creepage distance, not less, cm Overall dimensions, mm Weight, kg Normative document
diameter height
(without terminals)
СМАIV-110/√3-18 UHL1 2,5×10-3 315 334 1664 176±15 СТ 1474-1917-
-АО-4-040-2012
СМАОI-110/√3-18 UHL1 174±15
СМАОIV-110/√3-18 UHL1 182±15
СМАIV-166/√3-14 UHL1 462 352 1584 249±25
СМАОI-166/√3-14 UHL1 240±25
СМАI-166/√3-13,5 UHL1 232±25
СМАIV-166/√3-13,5 UHL1 249±25
СМАОI-166/√3-13,5 UHL1 240±25
СМАI-188/√3-12 UHL1 232±25
СМАIV-188/√3-12 UHL1 249±25
СМАОI-188/√3-12 UHL1 240±25

In capacitors designation the first number after type is rated voltage in kV,
second – rated capacitance in nanofarad.
CMA – capacitor in porcelain reinforced insulator; I – coupling capacitor for devices of measuring means; OI- coupling capacitor for devices of power take-off and measuring means; V – with terminal.

Contact Information
  • Maldybayev str. 1, Ust-Kamenogorsk city, East-Kazakhstan reg.,
    Republic of Kazakhstan, 070001
  • Phone: +7 (7232) 29-33-75
    Fax: +7 (7232) 29-33-76
  • e-mail: kvar@ukcp.kz
Official Representative Office in Moscow
  • OJSC “Ust-Kamenogorsk Capacitor”
    Barabanniy str. 4, Moscow, Russian Federation, 107023
  • Phone: +7 (495) 964-97-89
  • e-mail: msorokina@ukkm.ru