low voltage electricity 中文意思是什麼

low voltage electricity 解釋
低壓電力
  • low : adj 1 低的;淺的,矮的。 low flight 低飛。 a low temperature 低溫。 low tide [water] 低潮。 The g...
  • voltage : n. 【電學】電壓,電壓量,伏特數。 the working voltage (電氣的)耐壓限度。
  • electricity : n. 1. 電,電學。2. 電流,靜電,電荷。3. 熱心,強烈,緊張,高漲的情緒。
  1. It has certain fight impact, endure electric arc and good endure leakage of electricity, it is mainly apply to make insulation structural of low voltage of electrical equipment as well as daily use utensil accessory etc. product appearance submits granular

    通過阻燃性能認證。具有一定的抗沖擊性耐電弧性和良好的耐漏電性,適用於製造低壓電器絕緣結構件以及日用器皿配件等。產品形狀呈粒狀。
  2. The cbb90 capacitors are used for hight - frequency electricity circuit, having charcteristic of samll dimension, low disipation factor under hight - frequency condition, fine self - healing character, withstanding hight - voltage and powerful electricity. the case is used in flame retardant hith - quality engineering plastic, filled with epoxy resin

    Cbb90型電容器主要用於電磁爐振蕩電路,適用於高頻電路中,具有耐高壓及耐大流的優良特性同時具有體積小、優良的自愈性能、安全性能高、高頻下低損耗等特點,外殼採用優質的工程塑料,用環氧樹脂灌封。
  3. Two serious accidents occurred in recent months, both involving short - circuiting of live parts on low voltage electrical installations. in each case, the registered electrical workers ( rews ) did switch off the mains and essential supplies at the consumer s switchboard in order to carry out periodic maintenance inspection. however, they did not isolate the electricity supply from the power company

    在這兩宗個案中,注冊電業工程人員在進行定期檢查時,並未聯絡電力公司切斷來電電源,而祗是將用戶開關掣板的總掣及后備電源關掉,所以這些電掣的來電方向,仍然是帶電。
  4. In the system, the low voltage power line is the first signal tunnel without any other relay equipments between customer terminal and substation collector, public telephone line serves as the second signal tunnel between substation and management center computer. as a breakthrough of conventional concept of electricity meter, this thesis initiate a new concept, namely, intelligent power customer terminal ( shortly, customer terminal ), which is developed with spread spectrum plc communication functional and possesses many advanced functions, such as, in addition to electric energy acquisition, guarding against electricity pilfering, preventing wrong connection, protecting malfunction, remote communication ( for example, remote power supply or halt, remote configuration of electricity meter, remote load control, etc ), and so on

    本文首先系統地總結了目前國內外低壓電力網數據傳輸技術的研究現狀和存在的問題,在此基礎上,從理論上論證了在低壓電網上應用擴頻載波數據通信技術的可行性和優越性,並重點論述了擴頻載波技術抗電力線噪聲干擾的機埋;本文提出了一個新穎的基於低壓電力線擴頻載波通信技術的集中遠抄系統的總體方案,即由用戶終端、集中器和電能管理系統所組成的網路系統,其中,用戶終端到配變集中器用低壓電力線作為通道,中間無需其他硬體中繼設備,集中器到電能管理系統用公用電話網作為通道。
  5. Basic principle, hardware structure and function of digital ic electrical meter are expounded. the meter not only has the features of low power consumption and low costing, but has the protective functions against over current, over voltage and electricity leakage. principle and calculation methods of electricity power, periodic compensation and precision compensation are also explained in detail

    詳細地敘述了數字式ic卡電度表的基本原理、硬體結構和基本功能,該電度表不僅具有低功耗、低成本的特點,過流、過壓及漏電保護功能,而且具有結構簡單、運行可靠、性能價格比高等優點.最後詳細地介紹了電能計量、精度補償、周期補償的原理及演算法的實現
  6. The electric power harmonic comprehensive control system with low cast and high security is applied in this article. it adopts that sourced compensation links with non - sourced compensation herewhich the former is realized by high frequency pwm control technology and the latter is carried out by crystal switch formed by non - flow and over - voltage. it can realize stepless modulation with imaginary power, mightiness compensation of harmonic and negative electricity, and circuitry consumption debasing are achieved

    提出採用有源補償與無源補償相結合的電力諧波綜合治理技術及裝置,無源部分採用無涌流和過電壓的晶閘管控制電容器技術實現,有源部分採用高頻pwm控制技術實現,成本低、可靠性高、可實現無功功率的無級調節、強力補償諧波電流和負序電流,降低線路損耗。
  7. Specification for distribution assemblies for reduced low voltage electricity supplies for construction and building sites

    施工和建築工地降低壓電源配電設備規范
  8. Koslo electric held many intellectual property rights, low - voltage switch accessories covered a major share of international market weak electricity, intellectualized systems products took the lead in the international market of these fields, meachwhile electric played a vanguard role in communication and technology, koslo was the first company of germany to constitute intellectulized system standard with other european companies of the same trade

    卡西洛電氣擁有大量的知識產權,低壓電器開關附件占據了國際市場的主要份額,弱電,智能系統產品使其成為該領域國際時常的強大領帶者,同時,卡西洛電氣也是通信和科技方面的先鋒,是德國第一與歐洲其他同行共同制定智能系統標準的公司
  9. To compare with transistor ( complete solid - state ) high - frequency linear power amplifier, there are some disadvantages : bad stability and reliability, low efficiency, high cost for operating, huge cabinet, heavy maintenance work load, low security for high - voltage electricity offering, and to ensure the continuance of tv program, the transmitter must be operating with main frame and spare frame

    它們與晶體管(全固態)高頻線性功率放大器相比,存在著穩定性及可靠性差、效率低、運行費用高、發射機體積大、日常維護工作量大、高壓供電不安全、必須採用主機和備機的運行方式來確保電視節目不停播等缺點。
  10. Be familiar with the maintenance of hotel ' s electricity distribution system, fire - fighting system, water supply system, lift system, low & high voltage electric system

    熟悉酒店的電力配電系統、空調製冷系統、消防系統、給排水系統、電梯系統、弱電和強電系統及其附屬系統的運作管理及維修保養。
  11. These enterprises annually turn out 40 thousand kilometers of low, medium and high voltage electric cables, 10 thousand kilometers of telecommunication cables, 35 thousand kilometers of electric wires and 10 thousand tons of steel - cored twisted aluminium cables and bare copper wires. it has become the famous " city of cables " in the east china. shuguan co. ltd and huaneng co. ltd have a strong competitive power in this trade. investment direction : processing and production of various cables and wires for electricity, control and telecommunication and special cables

    -異軍突起的燈具集群:形成了燈具燈泡燈桿製造三大行業門類,擁有包括鋼管板材鍍鋅壓鑄燈具燈泡燈桿等製造業各類規模以上企業180多家,年產銷能力25億元,形成了從鋼卷材開平焊管熱鍍鋅鋁壓鑄電光源等配套體系,是華東地區最大的道路燈具生產基地。
  12. Nominal voltages for low voltage public electricity supply systems

    低壓公用供電系統的標稱電壓
  13. Signalling on low - voltage electrical installations in the frequency range 3 khz to 148. 5 khz - immunity requirements for mains communications equipment and systems operating in the range of frequencies 3 khz to 95 khz and intended for use by electricity suppliers and distributors

    頻率范圍由3khz至148 . 5khz的低壓電氣設備的信號傳輸.在3khz至95khz頻率范圍內操作和由電力操作的主要通訊設備和系統的抗干擾電源和配電器的要求
  14. Signalling on low - voltage electrical installations in the frequency range 3 khz to 148, 5 khz - part 2 - 3 : immunity requirements for mains communications equipment and systems operating in the range of frequencies 3 khz to 95 khz and intended for use by electricity suppliers and distributors

    頻率范圍由3khz至148 . 5khz的低壓電氣設備的信號傳輸.第2 - 3部分:電源和配電器使用的工作頻率為3khz至95khz的主要通訊設備和系統的抗擾度要求
  15. According to the electricity ( wiring ) regulations, a low - voltage fixed electrical installation in a residential or commercial building with an approved loading exceeding 100a is required to be inspected, tested and certified at least once every five years

    根據《電力(線路)規例》 ,裝設于住宅或商業房產內的低壓固定電力裝置如其允許負載量超逾100安培,須最少每五年作一次檢查、測試及領取證明書。
  16. The article proposed a technical solution to the application of low voltage electricity lines carrier distribution transformers the area users identify devices designed programme, a detailed account of the operating principles of the devices and hardware

    摘要提出了一種應用低壓電力線載波技術解決配電變壓器臺區用戶識別裝置的設計方案,詳細介紹了該裝置的工作原理和硬體組成。
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