對(duì)于任何一個(gè)電抗器(其電感為L(zhǎng))和電容器(其電容為C)組成的串聯(lián)LC諧振電路而言,他都有一個(gè)固定的頻率f=1/2π根號(hào)LC,當(dāng)外加電源信號(hào)的頻率等于這個(gè)頻率時(shí),該電路將發(fā)生諧振。諧振時(shí),電感上及電容上獲得的電壓zui大,而大多數(shù)的被試品都可以等效成一個(gè)電容器?;谶@一思想,在串聯(lián)諧振電路前提供一個(gè)調(diào)節(jié)頻率又可調(diào)節(jié)電壓的變頻變壓電源,在電容兩端并聯(lián)一個(gè)分壓器作測(cè)量及反饋之用,這樣就可構(gòu)成該套裝置。 | ||
產(chǎn)品技術(shù)指標(biāo): | ||
1、環(huán)境溫度: -10℃~45℃ 2、工作濕度: ≤90% 3、海拔高度: ≤2000m 4、電源輸入: 380V±10%三相或 220V±10%單相(10kW以下),50Hz 5、額定試驗(yàn)容量: 0~10000kVA 6、諧振電壓: 0~1000kV 7、頻率調(diào)節(jié)范圍: 0.1~300Hz 8、系統(tǒng)測(cè)量精度: 0.5/1.0級(jí) 9、頻率調(diào)節(jié)分辨率: 0.01Hz 10、不穩(wěn)定度: ≤0.05% 11、輸出波形: 正弦波 12、波形畸變率: ≤0.5% 13、噪聲:≤60dB 14、電抗器Q值: 30~120 15、內(nèi)部由嵌入式工控機(jī)純程控控制,所以測(cè)量試驗(yàn)過(guò)程全自動(dòng)化,也可實(shí)現(xiàn)手動(dòng)測(cè)量試驗(yàn),大液晶觸摸屏漢字顯示和通過(guò)USB--U盤(pán)存貯與打印功能,中文菜單顯示人機(jī)對(duì)話操作功能,可選配微機(jī)(PC機(jī))試驗(yàn)測(cè)控USB通信接口及全自動(dòng)試驗(yàn)測(cè)控軟件。 | ||
成套裝置構(gòu)成 | ||
1、變頻調(diào)壓電源:既可改變輸出的頻率、又可改變其輸出的電壓。 2、激勵(lì)變壓器: 起耦合信號(hào)及電壓變換的作用,并按自身的變比來(lái)提升電壓。 3、電抗器: 與被試品串聯(lián),構(gòu)成LC回路。 4、分壓器: 用來(lái)測(cè)量被試品上的電壓,同時(shí)作為采樣信號(hào)反饋給儀器。 5、補(bǔ)償電容器: 用來(lái)調(diào)整被試品頻率。 | ||
產(chǎn)品的技術(shù)依據(jù)和引用執(zhí)行的標(biāo)準(zhǔn) | ||
GB2900 《電工名詞術(shù)語(yǔ)》 GB10229-88 《電抗器》 DL/T596-1996 《電力設(shè)備預(yù)防性試驗(yàn)規(guī)程》 GB/T16927.1-2-1997 《高電壓試驗(yàn)技術(shù)》 ZBK41006-89 《試驗(yàn)變壓器》 GB7328-87 《變壓器和電抗器的聲級(jí)測(cè)量》 IEC358(1990) 《耦合電容器和電容分壓器》 IEC1000 《電磁兼容性》 GB4793-1984 電子測(cè)量?jī)x器安全要求 GB/T2423.8-1995 電工電子產(chǎn)品基本環(huán)境試驗(yàn)規(guī)程 GB1094-1-GB1094.6-96 《外殼防護(hù)等級(jí)》 GB/T3859.1-1993 半導(dǎo)體變流器基本要求的規(guī)定 GB/T3859.2-1993 半導(dǎo)體變流器 應(yīng)用導(dǎo)則 | ||
HRBFXZ-15500kVA/1550kV ,10A變頻串聯(lián)諧振交流耐壓高電壓試驗(yàn)裝置 | ||
Series resonant frequency exchange of high-voltage pressure test equipment pressure HRBFXZ-15500kVA/1550kV ,10A | ||
For any reactor (inductance as L) and capacitors (the capacitor for C) consisting of series LC resonant circuit, he has a fixed frequency f = 1/2π radical LC, when the external power signal equal frequency when the frequency of the resonant circuit will occur. Resonance, the inductance and capacitance on the voltage on access to the largest, and most of the sample can be equivalent to a capacitor. Based on this idea, in the series resonant circuit to provide a voltage regulator can adjust the frequency of the inverter transformer power supply, in parallel at both ends of a capacitor voltage divider for the measurement and feedback purposes, then this will constitute the set of devices. Product Specifications: 1, ambient temperature: -10 ℃ ~ 45 ℃ 2, the Working humidity: ≤ 90% 3, altitude: ≤ 2000m 4, power input: 380V ± 10% three-phase or 220V ± 10% single-phase (10kW below), 50Hz 5, the rated capacity test: 0 ~ 15500kVA 6, resonant voltage: 0 ~ 1550kV 7, the frequency adjustment range: 0.1 ~ 300Hz 8, the system measurement accuracy: 0.5/1.0 class 9, frequency adjustment resolution: 0.01Hz 10, instability: ≤ 0.05% 11, the output waveform: sine wave 12, waveform distortion rate: ≤ 0.5% 13, Noise: ≤ 60dB 14, reactor Q value: 30 ~ 120 15, the internal net from the embedded computer program control, so the process of fully automated measurement test can also be measured manually pilot implementation, large LCD display and touch-screen characters through the USB - U disk storage and print functions, man-machine English menu display dialogue operation feature matching computer (PC machine) test monitoring and control USB communication interface and automatic test monitoring and control software. Constitute a set of devices 1, frequency regulator power: it can change the output frequency, but also to change its output voltage. 2, excitation transformers: voltage from the coupling signal and the role of transformation, and its ratio to increase voltage. 3, reactor: with the sample in series, constitute a LC circuit. 4, divider: test materials were used to measure the voltage on at the same time as the feedback signal to the sampling apparatus. 5, compensation capacitors: materials used to adjust the frequency of the test.
Products based on the technology and the implementation of the standard reference GB2900 "electrical terminology" GB10229-88 "Reactor" DL/T596-1996 "test electrical equipment preventive point of order" GB/T16927.1-2-1997 "high-voltage test technique" ZBK41006-89 "Test Transformer" GB7328-87 "of transformer and reactor sound level measurement" IEC358 (1990) "Coupling capacitors and capacitor divider" IEC1000 "electromagnetic compatibility" GB4793-1984 safety requirements for electronic measuring instruments Electrical and Electronic Products GB/T2423.8-1995 basic environmental testing order GB1094-1-GB1094.6-96 "Level protective shell" GB/T3859.1-1993 semiconductor converter provides the basic requirements of GB/T3859.2-1993 semiconductor converter application guidelines |