Causes and solutions of low-voltage distribution cabinet alarms

1. Conductor It is the main component of the product to play its use function, and it is to transmit electricity or information, that is, to transmit electric current or electromagnetic waves on the conductor. The conductor is the basic and indispensable main component of the product for the transmission of electric current or electromagnetic wave information. 2. Insulation ...

1. Energy saving The inverter technology can automatically adjust the refrigeration and heating power according to the indoor temperature change, and the power consumption is only 1/3 of the traditional air conditioner, which can save more than 30% of the electricity cost; At the same time, it has a dehumidification function, and it can also keep the indoor air dry when used in a humid environment. OK...

Smart ships are a key area clearly supported by national policies. Driven by policy guidance and innovation, China has achieved phased results in the research and construction of smart ships. As the world's leading provider of enclosure systems, Rittal has a wide range of applications in the marine and port sectors.

Circle B, Rittal and Switch data centres in Germany launch the first European Open Computing Project (OCP) Experience Centre. The full-featured OCP environment is located at one of the facilities of three switching data centers in the Amsterdam area. (The OCP Experience Center can be used as a demo center, but it is also ...

What is Phase Order? Answer: It is the order of the phases, which is the sequence in which the instantaneous value of alternating current changes from negative to positive through zero What is the safety distance of the human body grounding point when a grounding fault occurs in high-voltage equipment? A: Indoor should be larger than 4 m, outdoor should be larger than 8 ...

Fault symptom 1: insufficient cooling capacity Cause analysis (1) The room or box is not sealed or the thermal insulation performance is poor (2) The evaporator frost is too thick (3) The efficiency of the compressor deteriorates (4) The expansion valve is too large or too small (5) There are more ...

What is Peak Load? What is trough load? What is Average Load? A: Peak load refers to the maximum load that can occur on the grid and the user in a day. The trough load is the hourly average of the least amount of usage that occurs in the grid and the users in a single day.

Rittal RBT cooling units – the most economical option for you! If a limited budget makes you extremely cost-conscious, then RBT is the choice for your ambition. After large-scale assembly line production, as well as the excellent functions of the cooling unit itself, the RBT has achieved a very high ...

Rittal's outdoor cabinet + temperature control solution provides 1+1 >2 business value, combining the demands of "function and safety" into one, and guarding it in one stop. Whether it's wind, rain, lightning erosion, scorching sun exposure or blizzards, Rittal outdoor system solutions can be used all the way ...

1. Determine the size of the server, such as depth size, height size (how many U), and whether it is a 19-inch rack-mounted installation. 2. Choose a cabinet according to the installation space: If the server is a 19-inch rack-mounted installation, then a standard cabinet can be used. Root...

1. Filter maintenance of the indoor unit: The filter screen of the indoor unit generally needs to be replaced once every two months. It is not recommended to continue to use it after rinsing, because the rinsed filter is easy to stick, so that ventilation and ventilation are not smooth, and air circulation is affected. So if it's a one-off, direct replacement, not ...

1. The first is to measure how long the line is. According to the decision is to put the location of the distribution frame, and then combine the distance of the cable from the outside into the cabinet and so on to calculate how long the network cable needs to be put on the distribution frame and install the cabinet, so as to facilitate the overall cable management behind.

1. The weight of the cable in the industrial control cable drag chain should be evenly distributed, so as to avoid accidents caused by uneven weight during operation, and the principle of distributing the cable is that the heavier one is located on both sides and the lighter one is located in the middle. All industrial control cables must be securely fastened to one end of the energy chain, so that ...

How much is the external design of domestic power distribution equipment products? Answer: Front panel type, cabinet type and box type, but also indoor type, fixed type and component fixed assembly, some products use drawer cabinets. Transmission circuits? Answer: Erected in the power plant step-up substation and ground ...

1. Meet the needs of a variety of electrical appliances Relatively speaking, in the process of making industrial bus industrial control cables, the relevant standards of various information in the process of dissemination are fully considered. In this way, it can ensure that the industrial control cable can meet the needs of many electrical appliances in daily work.

Classified by voltage level According to the voltage level, it can be divided into medium and low voltage power cables (35 thousand volts and below), high-voltage cables (above 110 thousand volts), ultra-high voltage cables (275-800 thousand volts) and ultra-high voltage cables (1000 thousand volts and above). In addition, it can also be divided into AC ...

1. The purpose is to ensure the normal and safe operation of the low-voltage distribution cabinet and the control cabinet of each equipment. Second, the scope is suitable for the low-voltage distribution room distribution cabinet, and the control cabinet of each equipment shall be implemented with reference to the relevant provisions according to the specific situation. Third, the responsibility of the mechanical and electrical installation and maintenance engineering department maintenance team every six months ...

Bare wire body products The main characteristics of this type of products are: pure conductor metal, no insulation and sheath layer, such as steel core aluminum stranded wire, copper-aluminum busbar, electric locomotive line, etc.; The processing technology is mainly pressure processing, such as smelting, calendering, drawing, stranding/pressing stranding, etc.; The main products ...

1. DC resistance: 20°C, 0.4mm copper wire, less than or equal to 148Ω/km, 0.5mm copper wire, less than or equal to 95Ω/km. 2. Insulation electrical strength: 1min 1kv between conductors does not break down, conductors and shields 1min 3kv do not break down 3. Insulation resistance: each core and the rest of the core ...

What are the principles for drawing and reading the schematic diagram of electrical control circuits? Answer: A. The schematic diagram is generally divided into power supply circuit, main circuit, control circuit, signal circuit and lighting circuit. B. In the schematic diagram, the position of the contacts of each electrical appliance is according to the ...