技术知识

In the die-cutting process, it is more common for the blade to be unfavorable or the product has burrs when the die is in use. In addition, die-cutting engineers are a little confused about the choice of die-cutting engineers, because most of the die-cutting suppliers say to die-cutting engineers, "What kind of Japanese DC53 steel do they choose for their die-cutting molds? SK-5 made an etching mold, and said how good his equipment is, etc. "This makes it difficult for the die-cutting engineers to judge

Mold maintenance is divided into primary maintenance and secondary maintenance. Mold primary maintenance. The first-level maintenance of the mold refers to the daily maintenance of the mold by the operator during production, and the main content is cleaning(High Speed Slitting Machine) Rub, lubricate and inspect. The secondary maintenance of the mold refers to the regular systematic maintenance of the mold based on the technical status and complexity of the mold. Primary maintenance of mold 1. Maintenance during

With the end of the 2018 interim report disclosure period, several domestic power lithium battery head companies such as CATL, BYD and Guoxuan Hi-Tech have all handed in their transcripts for the first half of 2018. Judging from the situation of several leading companies, many companies in the industry have shown the common feature of "increasing revenue and reducing profits" in the past six months.(Lithium - Ion Battery Equipment) On the one hand, new energy vehicles are in a period of great development

      As a deep cultivator in the field of die-cutting machines, Guangdong Yixinfeng Intelligent Equipment Co., Ltd. (hereinafter referred to as "Yixinfeng") brought its self-developed cutting and stacking machine, laser filming machine, high-speed stacking machine and other equipment to the exhibition. Taking this opportunity, Power Battery Network interviewed Wu Songyan, Chairman of Yixinfeng, to gain a deep understanding of the advantages and characteristics of the exhibited pr

1 The small cut or saw on the die cutter is inappropriate     (1) The small opening is mainly opened in the direction of paper movement, and the left and right sides can be left open or open a little less.     (2) The small mouth should be opened on the finished box where it can be glued or folded inside.     (3) If there are inconsistent small holes on the paper, be sure to make a small hole on the die cutter in the direction of paper feeding on the die-cutting pla

2020年9月，我国在联合国大会承诺2030年碳达峰、2060年碳中和，2021年是“十四五”开局之年，中央经济工作会议将“做好碳达峰、碳中和工作”作为今年要抓好的重点任务之一，而光伏+储能系统是实现碳中和的重要途径。本文将着重介绍常见的户用光伏+储能的系统类型及特点。 1/ 混合式家庭光伏+储能系统    系统介绍： 混合型光伏+储能系统一般由光伏组件、锂电池、混合型逆变器、智能电表、CT、电网、并网负载和离网负载组成。该系统可实现光伏经DC-DC转换直接给电池充电，也可以实现双向的DC-AC转换用于电池的充电和放电。 工作逻辑 白天光伏发电首先供给负载，其次给电池充电，最后多余的电量可以并网；晚上电池放电供给负载，不足部分由电网补充；电网停电时，光伏发电和锂电池仅供电给离网负载，并网端负载无法使用。另外，该系统也支持用户自行设置充电及放电时间来满足用户用电需求。 系统特点 ·      系统高度集成，可以大幅减少系统安装时间及成本 &mid

近年光伏储能系统成本逐步降低，技术不断优化，光伏+储能在这样的大环境下得到了迅速的发展，备受重视。自2018年以来，全球各地区和国家陆续推出“零碳计划”，户用光伏+储能日益呈现出爆发式的发展。 光伏+储能的发展过程中，其应用形式也呈现出多元化的趋势。除了自发自用、应对分时电价、电源备用等基本模式外，也出现了以下几种应用的形态。 户用储能系统参与区域性调频 有些国家或地区已经将户用的储能系统引入电网频率调节的机制中，比如澳洲FCAS（frequency control ancillary services）、英国的FFR（动态调频）等。     在这些系统中，分散安装的多个光伏+储能系统经过统一的监控和远程控制，各独立系统能够根据实时电网频率波动范围，通过提高电池充电功率吸收电网电量，或通过电池放电补充电网来稳定电网频率。     直流供电的应用 在通讯基站等场景中，直流供电已经比较普遍。除了特殊应用场景的直流应用之外，在常见的家用光伏+储能系统中也看到了一些尝试，如电动汽车直流充电（户用）、V2H、直流微网系统等。