What are the main technical parameters of the fuse?
Answer: A. Rated voltage, B. Rated current, C. Breaking capacity, D. Melting characteristics, E. Overvoltage.
What are the main products of low-voltage power distribution equipment?
A: Low-voltage distribution panels, switch cabinets, switch boards, lighting boxes, power boxes and motor control centers.
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What are the common faults of Rittal cables – control cables?
1. The impact of lightning
The armor components of the control cable are all metal conductors, and if the power line is short-circuited or lightning hits the metal parts, a strong current will be generated to destroy the optical cable line equipment, and even casualties will occur in serious cases.
2. Optical cable ...
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Rittal enclosures – classification of HVAC functions and system parameters
Heating, also known as heating, refers to the supply of heat to a building, insisting on a certain indoor temperature.
Ventilation – the process of feeding and removing air into a space by natural or mechanical means.
Air conditioning - (referred to as air conditioning) is to meet the requirements of production and life, improve labor ...
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Reliability ceiling - Rittal and the maritime industry talk about China's "ship talk"
The Age of Discovery, which began at the end of the 15th century, linked the world and was one of the most important historical steps in the process of human civilization.
In the 21st century, in the development trend of global interconnection and China's intelligent manufacturing, the shipbuilding industry has ushered in high-energy development prospects.
Smart ships, low...
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Rittal cabinets – what electrical components are included in the electrical cabinet?
1 Circuit breaker
Low-voltage circuit breakers, also known as automatic air switches, can be switched on and off manually, and can be used to distribute electrical energy, start asynchronous motors infrequently, and protect power lines and motors. In the event of a severe overload, short circuit, or undervoltage fault, the circuit can be automatically shut down.
2 Contactors
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Rittal cabinets – Q&A on the basics of high and low voltage distribution cabinets
How many types of protection devices are there for transformers?
A: Overcurrent protection, current quick break protection, differential protection and gas protection.
What are the requirements for relay protection?
Answer: In order to be able to remove the fault correctly and quickly, it is required that the relay protection has sufficient selectivity ...
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Rittal cabinets – the operation process of power outages in low-voltage distribution cabinets
1. Normal power transmission operation process of low-voltage distribution cabinet:
1. All load switches are disconnected, confirm that the switches have at least one breakpoint;
2. Confirm that the power switch is in the disconnected position;
3. Send the power supply to the operation circuit, and the status indication is normal;
4. The incoming switch is - isolated ...
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Rittal cabinets – Q&A on the basics of high and low voltage distribution cabinets
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 ...
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Rittal cabinets – Q&A on the basics of high and low voltage distribution cabinets
Why use transformers to measure high voltage and high currents?
Answer:
(1) Expand the scope of use of the instrument. As long as the transformer with different transformer ratios and converter ratios is used in conjunction with a voltmeter with a full voltage of 100V and an ammeter with a full current of 5A, it will be ...
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What is the daily maintenance method of the air conditioner? - Rittal air conditioning
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 ...
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Rittal Temperature Control Portfolio – for new energy applications
With the continuous promotion of the dual carbon policy, the development of new clean energy such as wind power has been making great progress. China and United States are among the world's largest growing countries for wind energy equipment.
Wind turbines typically need to operate reliably for more than 20 years to deliver electricity to people. To this end ...
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Rittal cabinets – what are the installation specifications for the cabinets?
1. The host, storage equipment, and server cabinets should be partitioned and arranged, and the host, storage equipment, server cabinets, UPS power supplies, precision air conditioners and other equipment should be set aside for maintenance according to product requirements, and the maintenance interval overlaps with adjacent equipment;
2. Enter the equipment in the computer room in stages.
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A detailed assortment of Rittal products
Rittal's products are: Rittal control cabinets: small cabinets (polycarbonate cabinets PK, junction boxes KL, compact control boxes EB, bus cabinets BG), compact control cabinets, plastic control cabinets KS, cabinet systems (subdivided into TS 8/SE 8 family), parallel cabinet systems...
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Rittal cabinets – Q&A on the basics of high and low voltage distribution cabinets
What are the relay protections of small and medium-sized substations?
A: A overcurrent protection; B. Current quick-break protection; C. Time-limited current quick break protection; D Low voltage protection.
What is the classification of substation monitoring system?
A: Manual monitoring, automatic monitoring of telecontrol devices and micro-...
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Rittal cables - the key points for the purchase of wires and cables
1. Look at the packaging, the wires of the national standard are often better, neat, and have a sense of quality when you hold them.
2. To open the package and take a look at the wires inside, the wire requirements of the national standard wire 1.5——-6 square are required to be skin thickness (insulation thickness) is 0.7mm, and too thick is non-standard.
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Rittal enclosures – what should I consider when choosing a cabinet?
1. Reliable quality assurance
Choosing the right server and cabling cabinet is important, and the slightest negligence can lead to huge losses. No matter which brand of product it is, quality is the first thing that users should consider.
2. Load-bearing guarantee
With...
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Rittal cabinets – the role of network cabinets and how to wiring them
What is a Network Cabinet?
The network cabinet is a kind of rectangular cabinet composed of two parts: frame and cover, which can install switches, optical fiber adapters, optical fiber distribution frames and other equipment in a cabinet, with electromagnetic isolation, noise isolation, ventilation and heat dissipation, anti-vibration, anti-corrosion, etc.
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Rittal cables – the difference between power cables and control cables
The power cable is used to transmit and distribute large-scale electrical energy in the main line of the power system, and the control cable directly transmits the electric energy from the distribution point of the power system to the power connection line of various electrical equipment and appliances. The rated voltage of power cables is generally 0.6/1KV and above, and the control cables are mainly 4 ...
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The difference between imitation Rittal and genuine Rittal
The quality and brand awareness of Rittal are good, and the application market is also large, but due to various reasons such as price, delivery time, service, etc., many customer groups do not want to use Rittal products, but choose to go to the manufacturer to order imitation Rittal products.
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Rittal innovates the Ri4Power top-of-the-line distribution cabinet system
Ri4Power satisfies four specifications of the system
Rittal Ri4Power has developed this concept as a complete system solution for the safe and fast installation of low-voltage switchgear for machines, systems and buildings. Rittal Ri4Power It is a device that covers high-current power distribution ...
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How does Rittal do it to help thyssenkrupp build competitiveness by "digital"?
Big data is also a strategic industry related to the future development of the steel industry. In order to remain competitive in the long term, thyssenkrupp Steel in Germany is stepping up modernization and standardization in its production-related IT areas. The Rittal Container Data Centre is essential for the successful implementation of this upgrade.
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