Product Overview
SVDZZ624- (electronic) voltage sensor series is a new type of high-voltage zero-sequence, phase sequence, and protection sensor, mainly used for the rear plug of the ring main unit cable.
The sensor is powerful, and the small signal output does not require secondary PT conversion. It can be directly connected to the secondary equipment
through A/D conversion, which meets the development needs of "substation integrated automation system", "digitalization, intelligence, and networking".
Structural features: This series of voltage sensors adopts the principle of capacitive voltage division and epoxy resin casting.
Execution Standards
GB/T20840.7《Instrument Transformers Part 7: Electronic Voltage Transformers》/IEC 61869
Conditions of Use
● Ambient temperature: ﹣40℃ ~70℃, daily average temperature not exceeding 35℃;
● No obvious dust, smoke, corrosive gases, steam, or salt spray;
● Relative humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;
● Altitude: Not exceeding 1000m (Please specify altitude when used in plateau areas).
Product Features
● The direct output of small voltage signals simplifies the system structure and reduces error sources.
● It does not contain an iron core (or a small lightly loaded iron core), and has the advantages of unsaturation, wide frequency response range, large measurement range, and good performance. It can also ensure the reliable operation of the protection device under system fault conditions;
● A secondary short circuit at the voltage output terminal will not cause overcurrent or ferromagnetic resonance, eliminating major potential faults in the operation of the power system and ensuring the safety of personnel and equipment;
● It is multifunctional, small in size, light in weight, low in energy consumption, and reduces ferromagnetic pollution.
Technical Parameters
Voltage Section
| Parameter | Value |
| Rated Voltage | Phase voltage: (10kV/√3)/(3.25V/√3) |
| Accuracy Class | 1/(3P) Class |
| Ambient Temperature Influence Variation | <0.5% (-40℃~70℃ temperature range) |
| Insulation Resistance | >1000 MΩ |
| Rated Load | 2MΩ (AC) |
| Operating Frequency | 50±2.5hz |
| Temperature Range | -40℃~70℃ |
| Partial Discharge (1.2um) | ≤20pC |
| Power Frequency Withstand Voltage | 42kV (1min) |
| Service Life | ≥15 years |
Dimensions
10kV/13.8kV
24kV
33kV
Keywords
Voltage sensor (electronic)
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Category
Product Overview
SVDZZ624- (electronic) voltage sensor series is a new type of high-voltage zero-sequence, phase sequence, and protection sensor, mainly used for the rear plug of the ring main unit cable.
The sensor is powerful, and the small signal output does not require secondary PT conversion. It can be directly connected to the secondary equipment
through A/D conversion, which meets the development needs of "substation integrated automation system", "digitalization, intelligence, and networking".
Structural features: This series of voltage sensors adopts the principle of capacitive voltage division and epoxy resin casting.
Execution Standards
GB/T20840.7《Instrument Transformers Part 7: Electronic Voltage Transformers》/IEC 61869
Conditions of Use
● Ambient temperature: ﹣40℃ ~70℃, daily average temperature not exceeding 35℃;
● No obvious dust, smoke, corrosive gases, steam, or salt spray;
● Relative humidity: Daily average not exceeding 95%, monthly average not exceeding 90%;
● Altitude: Not exceeding 1000m (Please specify altitude when used in plateau areas).
Product Features
● The direct output of small voltage signals simplifies the system structure and reduces error sources.
● It does not contain an iron core (or a small lightly loaded iron core), and has the advantages of unsaturation, wide frequency response range, large measurement range, and good performance. It can also ensure the reliable operation of the protection device under system fault conditions;
● A secondary short circuit at the voltage output terminal will not cause overcurrent or ferromagnetic resonance, eliminating major potential faults in the operation of the power system and ensuring the safety of personnel and equipment;
● It is multifunctional, small in size, light in weight, low in energy consumption, and reduces ferromagnetic pollution.
Technical Parameters
Voltage Section
| Parameter | Value |
| Rated Voltage | Phase voltage: (10kV/√3)/(3.25V/√3) |
| Accuracy Class | 1/(3P) Class |
| Ambient Temperature Influence Variation | <0.5% (-40℃~70℃ temperature range) |
| Insulation Resistance | >1000 MΩ |
| Rated Load | 2MΩ (AC) |
| Operating Frequency | 50±2.5hz |
| Temperature Range | -40℃~70℃ |
| Partial Discharge (1.2um) | ≤20pC |
| Power Frequency Withstand Voltage | 42kV (1min) |
| Service Life | ≥15 years |
Dimensions
10kV/13.8kV
24kV
33kV
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0411-83167110
Address
No. 95, West Section, Century Road, Pulandian District, Dalian City, Liaoning Province
