Өнімге кіріспе:
The SX series test transformer digital display operating box/console is a supporting control device specifically designed for test transformers and high-voltage electrical test systems. The equipment features digital display and a new type of high-precision current relay, enabling real-time monitoring of parameters such as voltage, current, zero position, contactor status, and timing status during testing. It also integrates overcurrent protection and timing control functions.
The device offers smooth output regulation, easy operation, and comprehensive protection functions. It can be used together with test transformers, voltage regulators, and other equipment, and is suitable for high-voltage tests such as power-frequency withstand voltage and insulation performance testing of power systems and related electrical equipment.
Product functions:
1. Precise voltage regulation function
Output voltage continuously adjustable from 0 to 250V AC
Provides stable adjustable input voltage for the test transformer
Enables smooth voltage rise and fall control during testing
2. Voltage and current monitoring
Real-time display of voltage and current parameters during testing
Meter voltage range: 100V / 100kV
Uses high-precision current relay, allowing operators to monitor test status in real time
3. Overcurrent protection function
Triggers protection when test current exceeds the set value
Prevents damage to the test transformer and equipment under test caused by excessive current
Enhances safety during high-voltage testing
4. Timing control function
Supports test time setting
Timing range: 1 second to 99 hours
Can perform corresponding control when the set time is reached, improving test automation
5. Zero-position and safety control function
Monitors the zero-position status of the voltage regulator
Ensures the equipment is at a safe zero-voltage position during startup
Works with contactor control and protection systems to reduce risks caused by misoperation and equipment abnormalities
Техникалық параметрлер:
| Кіріс кернеуі | 220 В±10% 50 Гц |
| Шығу кернеуі | 0-250В/Шығыс қуаты: 5кВА |
| Аспап кернеуі | 100В/100кВ |
| Уақыт диапазоны | 1S-99H |
| Қоршаған ортаның температурасы | -20℃ - 50℃ аралығында |
Өнімнің ерекшеліктері:
1. Бақылау: Шығыс тогы, құрал кернеуі, нөлдік позиция, контактор күйі (ашу/жабу) және таймер күйі.
5. Ықшам дизайн: Кішігірім кеңістікті үнемдеу үшін жасалған, жеңіл құрылымы бар.
Application Scenarios:
1. High-voltage testing in power systems
Used for withstand voltage and insulation testing of high-voltage equipment in substations, power plants, and transmission and distribution systems, such as:
Transformers
Instrument transformers
Surge arresters
Switchgear
Circuit breakers
Cables
Insulators
2. Substation on-site testing
Performs power-frequency withstand voltage testing and insulation performance testing on high-voltage electrical equipment during installation, maintenance, and before commissioning at substations.
3. Electrical equipment manufacturers
Suitable for factory inspection and quality testing at power equipment manufacturing enterprises, serving as supporting control equipment for test transformers.
4. On-site handover testing of power equipment
After new equipment installation is completed, the operating box controls the test transformer for handover testing, used to verify whether the equipment meets operational requirements.
5. Cable withstand voltage testing
Used together with a high-voltage test transformer for AC withstand voltage testing on power cables, control cables, and other cables, checking cable insulation performance.
6. Laboratories and testing organizations
Suitable for power research institutes, third-party testing organizations, high-voltage laboratories, and university laboratories for high-voltage testing and research on various electrical equipment.
7. Electrical equipment maintenance and servicing
During routine maintenance, fault diagnosis, or after major overhauls, checks equipment insulation condition through withstand voltage testing, reducing the risk of faults after equipment is returned to service.
FAQs
Q: What types of high-voltage test projects is this device suitable for?
A: It is mainly suitable for power-frequency withstand voltage testing, insulation performance testing, and test transformer supporting tests. It can be applied to high-voltage testing of electrical equipment such as transformers, switchgear, cables, instrument transformers, and insulators.
Q: How to select the appropriate operating box specification?
A: The selection is mainly based on the test transformer capacity, input voltage, output voltage, test current, and specific test items. If the technical parameters of the test transformer are provided, we can further match the appropriate operating box specification.
Q: Can the device be used as a control unit for test transformers?
A: Yes. The SX series operating box is mainly used as a supporting control unit for test transformers, providing functions such as input voltage regulation, parameter monitoring, test timing, and protection control.
Precautions:
1. During use, the test transformer digital display operation box/console manufactures should be reliably grounded.
2. Күшейту және төмендету процесі кенеттен үдеу немесе баяулаусыз тұрақты жылдамдықпен жүргізілуі керек.
3. Тәжірибе кезінде күтпеген жағдайларды уақтылы анықтау үшін бақылау құралдарын үнемі бақылау керек.
4. Пайдалану кезінде жабдықты ақырын ұстаңыз және оны таза және гигиеналық ұстаңыз.
When choosing testing equipment, brand reputation, supplier reliability, and price are important factors. Wuhan Ultra High Voltage Power Company is a trusted supplier of high-voltage power testing equipment, serving State Grid, China Southern Power Grid, and major electrical manufacturers. We provide not only reliable equipment at competitive prices, but also complete testing solutions, including system design, on-site commissioning, training, and after-sales service. With Wuhan UHV, you can buy with confidence and use our equipment with peace of mind.
