3-phase Voltage Transformers

Detailed Product Description

Technical Parameters for JSQXF2-126 Voltage Transformers

1 Rated primary voltage: 66kV, 110kV, 132kV and 220kV and so on.

2 Rated secondary voltage: 0.1 /√3kV or 0.11 /√3kV.

3 Rated voltage of residual voltage winding: 0.1kV or  0.11kV.

4 Rated frequency and number of phases: 50Hz or 60Hz  3-phase.

5 Voltage ratio, maximum rated output and corresponding accuracy class please see table 1.

 

      Table 1   Voltage Ratio, Maximum Rated Output and Corresponding Accuracy Class Table

Voltage Ratio (kV)	Accuracy Class and Rated Output (VA)
	Secondary 1a-1n		Secondary 2a-2n		Residual da-dn
	0.2	0.5	0.2	0.5	3P
66 /√3/ 0.1 /√3-0.1 /√3-0.1 110 /√3/ 0.1 /√3-0.1 /√3-0.1 132 /√3/ 0.1 /√3-0.1 /√3-0.1 or 220 /√3/ 0.1 /√3-0.1 /√3-0.1	75		75		300
	75			100
	200
		150		150
		300

6 Thermal limit output: 1500VA (for each secondary winding).

7 Except for limit loaded power factor from 0.8 (lag) to 1, the rest loaded power factor is 0.8 (lag).

8 Rated voltage factor and corresponding rated duration: 1.2 continuous,  1.5  30 s.

9 Rated pressure of SF₆ (20): 0.40 ~ 0.58 MPa.

10 Minimum operating pressure of SF₆ (20): 0.35 ~ 0.50 MPa.

Note: Those listed in the table above are the routine parameters, if there is any different parameter required, we can design according to the technical parameters of the clients.