产品别名

变电站串联谐振耐压试验、交流变频串联谐振耐压试验、串联谐振耐压试验装置、变频谐振耐压试验装置、串联谐振交流耐压试验电抗器、变频串联谐振耐压试验的优点、串联谐振耐压试验接线原理、交流耐压谐振装置、变频谐振、变频串联谐振、耐压谐振装置、串联谐振、串联谐振变压器、串联谐振试验设备

功能应用

NADXZ系列变电站电气设备交流耐压谐振装置，主要针对耐压装置110kV及以下变电站一次电气设备交流耐压试验设计制造。可按规程要求满足变压器、GIS系统、SF6开关、电缆、套管等容性设备交流耐压试验。变电站变频串联谐振试验装置既可满足高电压、小电流的设备试验条件要求，又可满足低电压、大电流的设备试验条件要求，具有较宽的适用范围，是地、市、县级高压试验部门及电力承装、修试工程单位理想的耐压设备。

变电站变频串联谐振试验装置主要由变频控制电源、激励变压器、电抗器、电容分压器组成。其中变频控制电源采用进口专用的SPWM数字式波形发生芯片，频率分辨率为16位，在20～300Hz时频率细度可达0.1Hz，同时采用了正交非同步固定式载波调制方式，确保在整个频率区间内输出波形良好；功率部分采用了先进的IPM模块，确保仪器稳定和安全。

设备特点

1、同电压等级、同容量的电抗器其体积较小、重量较轻；在额定负载时温升小；采用干式环氧浇注，机械强度高，电气绝缘性能好，美观可靠。

2、变频电源控制箱容量裕度大；保护功能强；输出波形好；稳定性好；具备多种工作模式，操作方便；单相220V或是三相380V输入电源通用，方便现场取电。

3、可灵活配置设备，根据需要选配不同类型电抗器，满足不同试品要求，实现一机多用，性价比高。

主要参数

输出频率：20～300Hz（可定制）

工作时间：满功率连续工作时间60min。

品质因素：30～90

不稳定度：＜0.05%

工作电源：220V±15%/50Hz±5%

频率调节灵敏度：0.1Hz

最大试验容量：400kVA及其以下。（可定制）

谐振电压波形：纯正弦波，波形畸变率≤1.0%。

额度输出电压：0～220kV(AC有效值)及其以下。

Also called name

Substation series resonant withstand voltage test, AC variable frequency series resonant withstand voltage test, series resonant withstand voltage test device, variable frequency resonant withstand voltage test device, series resonant AC withstand voltage test reactor, advantages of variable frequency series resonant withstand voltage test, series resonance resistance Pressure test wiring principle, AC voltage withstand resonance device, frequency conversion resonance, variable frequency series resonance, withstand voltage resonance device, series resonance, series resonance transformer, series resonance test equipment

Functional application

NADXZ series substation electrical equipment AC voltage withstand resonance device, mainly designed and manufactured for AC voltage withstand test of primary equipment of 110kV and below substation. It can meet the AC withstand voltage test of capacitive equipment such as transformer, GIS system, SF6 switch, cable and casing according to the regulations. The substation variable frequency series resonance test device can meet the requirements of high voltage and low current equipment test conditions, and can meet the requirements of low voltage and high current equipment test conditions. It has a wide range of application and is a high-voltage test at the prefecture, city and county level. The ideal pressure-resistant equipment for the department and power installation and repair engineering units.

The substation frequency conversion series resonance test device is mainly composed of a frequency conversion control power source, an excitation transformer, a reactor, and a capacitor voltage divider. The inverter control power supply adopts the imported special SPWM digital waveform generation chip, the frequency resolution is 16 bits, the frequency fineness can reach 0.1Hz at 20~300Hz, and the orthogonal non-synchronous fixed carrier modulation mode is adopted to ensure The output waveform is good throughout the frequency range; the power section uses an advanced IPM module to ensure the instrument is stable and safe.

Main features

1. The reactor with the same voltage level and the same capacity is smaller in volume and lighter in weight; the temperature rise is small at rated load; the dry epoxy casting is used, the mechanical strength is high, the electrical insulation performance is good, and the appearance is beautiful and reliable.

2, variable frequency power control box capacity margin; strong protection function; good output waveform; good stability; with a variety of working modes, easy to operate; single-phase 220V or three-phase 380V input power supply common, convenient on-site power.

3, can be flexibly configured equipment, according to the needs of different types of reactors to meet different test requirements, to achieve a multi-purpose machine, cost-effective.

Main parameters

Output frequency: 20 ~ 300Hz (can be customized)

Working time: full power continuous working time 60min.

Quality factor: 30～90

Unstableness: <0.05%

Working power: 220V ± 15% / 50Hz ± 5%

Frequency adjustment sensitivity: 0.1Hz

Maximum test capacity: 400kVA and below. (customizable)

Resonant voltage waveform: pure sine wave, waveform distortion rate ≤1.0%.

The output voltage of the quota: 0 ~ 220kV (AC RMS) and below.