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SYTZZ-10/300-7
Wukai
1. Overview
This series of on-load tap-changers is designed for three-phase or single-phase oil-immersed on-load voltage-regulating transformers of voltage class 10 kV, rated current in the 100 to 300 A range and frequency 50 to 60 Hz.
2. Model Description
3. Technical data
Max. rated through-current Ir (A) | 100~300 | ||
Number of phases | Single-phase/three-phase | ||
Rated frequency (Hz) | 50 | ||
Rated short-time current (kA) | Thermal stabilization (3s) | 2 | |
Dynamic stabilization (peak) | 5 | ||
Rated step voltage (V) | 300 | ||
Max. operating positions | 9 | ||
Rated voltage (kV) | 10 | ||
Max. operating voltage (kV) | 11.5 | ||
Applicable transformer connections | Y | △ | |
Insulation test voltage 1min (kV) | To ground | 35 | |
Phase to phase | 18 | 35 | |
First, End | 18 | ||
Impulse | 75 | ||
Wight(kg) | 40 | ||
Matching Controller | Model specifications are shown in the randomized annex | ||
4. Conditions of use
I The place of installation of the on-load tap-changer shall be free from serious dust and explosive and corrosive gases;
I The on-load tap-changer storage atmospheric ambient temperature should be in the range of -25℃~45℃;
I The temperature of the oil shall be within the range of -25 °C to 100 °C when the on-load tap-changer is used in transformer oil;
I When the on-load tap-changer is installed on the transformer, its vertical inclination shall not exceed 2%.
5. Dimensional illustration
1. Overview
This series of on-load tap-changers is designed for three-phase or single-phase oil-immersed on-load voltage-regulating transformers of voltage class 10 kV, rated current in the 100 to 300 A range and frequency 50 to 60 Hz.
2. Model Description
3. Technical data
Max. rated through-current Ir (A) | 100~300 | ||
Number of phases | Single-phase/three-phase | ||
Rated frequency (Hz) | 50 | ||
Rated short-time current (kA) | Thermal stabilization (3s) | 2 | |
Dynamic stabilization (peak) | 5 | ||
Rated step voltage (V) | 300 | ||
Max. operating positions | 9 | ||
Rated voltage (kV) | 10 | ||
Max. operating voltage (kV) | 11.5 | ||
Applicable transformer connections | Y | △ | |
Insulation test voltage 1min (kV) | To ground | 35 | |
Phase to phase | 18 | 35 | |
First, End | 18 | ||
Impulse | 75 | ||
Wight(kg) | 40 | ||
Matching Controller | Model specifications are shown in the randomized annex | ||
4. Conditions of use
I The place of installation of the on-load tap-changer shall be free from serious dust and explosive and corrosive gases;
I The on-load tap-changer storage atmospheric ambient temperature should be in the range of -25℃~45℃;
I The temperature of the oil shall be within the range of -25 °C to 100 °C when the on-load tap-changer is used in transformer oil;
I When the on-load tap-changer is installed on the transformer, its vertical inclination shall not exceed 2%.
5. Dimensional illustration
