Single-phase Voltage Transformers

Detailed Product Description

1  Instruction for JDQXF2-150ZHW Voltage Transformers

The single-phase voltage transformers are matching GIS or PASS high voltage switchgears. Their dimensions, technical parameters and service environments can be designed according to the requirements of the clients.

2  Technical Parameters

2.1 Rated primary voltage: 35 kV, 66 kV, 110 kV, 132 kV, 150 kV and 220 kV and so on.

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

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

2.4 Rated frequency and number of phases: 50 Hz or 60 Hz   single-phase.

2.5 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
35 /√3/ 0.1 /√3-0.1 /√3-0.1 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 /√3-0.1 150 /√3/ 0.1 /√3-0.1 /√3-0.1 or 220/√3/ 0.1 /√3-0.1 /√3-0.1	75		75		300
	50			100
	150
		150		150
		300

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

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

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

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

2.10 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 it according to the technical parameters of the clients.