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本標準規定了瓦斯環境用礦燈的產品分類、要求、試驗方法、檢驗規則和標志等。本標準適用于煤礦瓦斯環境(Ⅰ類)用礦燈,包括與其他設備連接和為其他設備供電的礦燈。
本標準規定了安全防范系統中供電的技術要求,是安全防范系統供電的系統設計、設備選型、安裝施工、檢測和驗收的基本依據。本標準適用于安全防范(以下簡稱安防)系統供電設計、安裝施工、檢測與驗收。
GB/T 32580的本部分適用于室內或室外固定安裝,運行頻率50 Hz,且標稱電壓為25 kV、2×25 kV和50 kV電氣化鐵路用單相交流斷路器。本部分適用的雙極斷路器的連接方式限定于:一極連接線路上的接觸線,另一極連接正饋線,正饋線沿同一軌道架設,并通過按一定距離連接自耦變壓器用以提高線路電壓。整個回路的中性點直接接地。本部分也適用于斷路器的操動機構及其輔助設備。僅依靠人力操動合閘機構的斷路器不在本部分范圍內。
本標準規定了教育機器人的基本安全要求、保護措施以及使用信息的要求和準則。本標準適用于教育機器人。如果一個機器人由未成年人來組裝,本標準適用于可接觸的每個零件和組裝的機器人;如果一個機器人由成人(年滿18周歲)組裝或者在出廠時已經組裝好,本標準適用于組裝的機器人。
本規范適用于新建、改建和擴建的通信局(站)防雷與接地工程的設計。
本指導性技術文件描述低壓交流電源(≤100OV)中的浪涌電壓、浪涌電流環境,不包括其他的電能質量問題,如電壓跌落、電噪聲等。標準中所考慮的浪涌持續時間不超過半個工頻周期,這些浪涌可以是周期性的,也可以是隨機事件,可以出現在火線、零線以及地線之間。一般通過浪涌保護器(SPD)限制電壓和電流的幅值來分流危險的浪涌能量,對于只會對設備造成干擾的浪涌一般采用其他方法消除。
本標準規定了航天器太陽電池陣-蓄電池組電源系統的設計依據、設計原則、設計內容、設計程序、設計方法和設計驗證試驗項目。本標準適用于航天器太陽電池陣-蓄電池組電源系統(以下簡稱電源系統)的設計,其他種類電源系統的設計可參照使用。
本標準規定了通信安裝中緩解電磁故障的通用準則,并給出案例分析提出了幾種解決EMC故障的方法,包括如何定位主要噪聲源和緩解的工具裝置。本標準適用于通訊安裝中的電磁故障。
For the interrelationships of this Recommendation with other ITU-T G.99x-series Recommendations, see [b-ITU-T G.995.1]. This Recommendation describes the interface between the telecommunication network and the customer installation in terms of their interaction and electrical characteristics. The requirements of this Recommendation apply to a single asymmetric digital subscriber line (ADSL).
The purpose of this Recommendation is to provide performance requirements for PTC thermistors to ensure their satisfactory operation in telecommunication networks. This Recommendation also covers coordination of these devices fitted in the MDF and the equ
Expected surges on telecommunications and signalling networks due to lightning Study Group 5
1.1 These requirements cover manual signaling boxes for fire alarm systems intended for permanentinstallation and used in ordinary locations in accordance with the National Electrical Code, NFPA 70, and the National Fire Alarm Code, NFPA 72.1.2 A manual signaling box is an assembly of a mechanism having electrical contacts designed totransmit a signal when an integral part is operated manually. The signaling contacts are intended to beconnected to circuits of fire alarm systems. The types of boxes covered by these requirements are coded boxes and non-coded boxes, including signaling boxes, fire and guard’s tour reporting stations, and guard’s tour reporting stations for suppressed-signal tour combinations.1.3 A manual signaling box having a pre-wound signaling mechanism and equipped with a trippingelectromagnet to permit automatic actuation by separate detectors, and similar combination devices, shall be evaluated with regard to compliance with the applicable requirements for both manual signaling boxes and electrically-actuated transmitters.1.4 A manual signaling box shall be constructed for use with system-control units, electrically-actuatedtransmitters, or similar units that will permit its application in compliance with applicable codes andstandards of the National Fire Protection Association.1.5 These requirements do not cover electrically-actuated transmitters.