人妻夜夜爽天天爽爽一区丨18禁黄网站禁片无遮挡观看丨亚洲欧美日韩国产成人一区丨国产亚洲3p无码一区二区丨亚洲www啪成人一区二区

Time: 2024-08-18  韋克威科技

Comparison of Aviation Circuit Breakers SSPC - Originating from Aviation, Serving the Whole Country

In order to compare the volume, weight, and power consumption of solid-state and electromechanical switches from a bottom-up perspective, Tables 1 and 2 provide the weight, volume, and power consumption of commercial electromechanical relays and circuit breakers, each from multiple suppliers. These tables include the external dimensions, weight, and power consumption of five 28V, 25A relays and five 28V, 25A circuit breakers. In addition, they also include the calculated PC board real estate and the volume of these components, as well as the calculated average values of these parameters.

Vicorv High-Reliability Electronic Components

For relays and circuit breakers, the average real estate per channel is 1.22 square inches, which is 1.56+0.66. Assuming that relays and circuit breakers account for 60% of the total area of the PC board, the total real estate of each channel is 2.22/0.6=3.7 square inches. Use an average circuit breaker height of 2.34 inches. Assuming a PC board thickness of 0.093 ", a top side gap of 0.02, and a back gap of 0.25" (similar to comparable SSPC board components), the total assembly height of the relay/circuit breaker board component is 2.34+0.02+0.093+0.25=2.7 inches. The total volume of a channel is (3.7) * (2.7)=9.99 cu. Unit volume output power=(28) * (25)/(9.99)=70.1 W/cu.

For the 16 channel SSPC board component, the board size is 9.2 X 6.3 inches, the maximum component height is 0.54 inches, the PC board thickness is 0.093 inches, the back gap is 0.25 inches, and the total height is 0.54+0.093+0.25=0.883 inches. The total volume of 16 channels is 9.2 X 6.3 X 0.883=51.18 cu. In there. This is equivalent to 51.18/16=3.20 cu. In there. Each channel. For a 25 ampere channel, the output power per unit volume is (28) * (25)/3.20=219 W/cu. The weight of a typical 9.2 X 6.3, 0.093 inch thick bare PC board is 0.55 pounds. For this type of board, the weight per unit area is. 55/(9.2) * (6.3))=. 0095 pounds per square inch. For a relay+circuit breaker channel, the total real estate of each channel is 3.7 square inches, so the weight of the PC board for each channel is 0.035 pounds. The total relay+circuit breaker weight for each channel is 0.14+0.08+0.035=0.255 lbs. The output power of each weight is 2745 W/lb. The weight of a typical 16 channel SSPC board component is 1.8 pounds. For a 28 volt, 25 ampere SSPC channel, the output power per unit weight is 6222 W/lb.

The contact dissipation data for relay # 1, relay # 4, and circuit breaker # 1 are not available and therefore not included in the average dissipation calculation.

a. For relays and circuit breakers, the average printed circuit board area (square inches) and volume (cubic inches) are the averages of two different methods:

One kind. Using the first method, calculate the average printed circuit board area as the average printed circuit board area of five relays or circuit breakers. Similarly, calculate the average volume as the average volume of five relays or circuit breakers.

b. Using the second method, calculate the average PC board space as the average width of five relays or circuit breakers multiplied by the average depth. Similarly, calculate the average volume


主站蜘蛛池模板: 欧美野性肉体狂欢大派对| 亚洲国产av久久久| 四川骚妇无套内射舔了更爽| 无码国产精品一区二区免费i6| 国产在线精品一区二区不卡顿| 18禁美女黄网站色大片免费网站| 无码国模国产在线观看| 卡1卡2卡3精品接入口| 久久综合狠狠综合久久综| 色窝窝色蝌蚪在线视频| 亚洲区少妇熟女专区| 香蕉在线 亚洲 欧美 专区| 蜜桃少妇av久久久久久久| 亚洲第一av网站| 亚洲国产精品嫩草影院久久 | 一区一区三区产品乱码| 国内丰满熟女出轨videos| 国产成+人+综合+亚洲欧美丁香花| 女的被弄到高潮娇喘喷水视频| 中文无码妇乱子伦视频| 欧美真人作爱免费视频| 在线观看片a免费不卡观看| 大伊香蕉精品一区视频在线| 国产肉丝袜视频在线观看| 久久精品国产一区二区三区| 人妻熟女一区二区aⅴ水野朝阳| 国产欧美亚洲日韩图片| 亚洲 欧美 日韩 国产 丝袜| 纯肉无遮挡h肉动漫在线观看国产| 国产免费视频精品视频| 伊人久久大香线蕉av不卡| 成熟了的熟妇毛茸茸| 开心五月激情综合婷婷| 日韩在线视频线观看一区| 99爱在线精品免费观看| av国产剧情md精品麻豆| 亚洲中文字幕无码中字| 西西大胆午夜人体视频| 中文字幕无码免费久久9一区9| 97久久精品亚洲中文字幕无码| 蜜桃视频在线观看免费视频网站www|