1. Integrator, to put it bluntly, is a leather bag company, such as Lenovo, nothing, but a bunch of PM, sales, key technologies, production, it doesn't have anything.
2. Integrator refers to a professional institution that can provide customers with system integration products and services, usually legal entities or enterprise alliances. System integration refers to the integration of equipment and information within an organization, and the support for applications through a complete system. System integration includes equipment system integration and application system integration.
3. As the name implies, it is integrated into IT information system. The so-called integration does not only refer to providing hardware or application software, but also to complete the unified integration and application of hardware and software systems. It's just a big bag.
4. System integration, that is, the whole process of combining hardware, network, database and corresponding application software into a computer application information system with practical value according to application needs.
5. In our IT industry, SI (System Integration) is a system integrator.
1. It refers to computers, communications and related technologies. Abbreviated as Information Technology. And the lowercase it refers to animals, plants and inanimate objects. Information technology (IT) in a broad sense is a general term for various technologies used to manage and process information.
2. The IT system is the right way to protect the zeroing system. It is a system in which the charged part of the power supply system is not grounded, or the exposed conductive part of the electrical equipment is grounded through impedance grounding.Nowadays, most of the grounding and zeroing systems adopt the standards stipulated by the International Electrotechnical Commission (IEC).
3. The IT system is the international standard IEC60364 that distinguishes three different types of grounding systems, and uses two letter codes to represent TN, TT and IT. The first letter indicates the relationship between the power supply end and the ground: T indicates that the power supply end is a little directly grounded; I means that all the charged parts of the power supply end are not grounded or a little grounded by impedance.
4. IT system, that is, the neutral point ungrounded system rnIT system: the power supply of the rn IT system is not grounded or grounded through impedance, and the exposed conductive part of the electrical equipment can be directly grounded or connected to the grounding body of the power supply through the protection wire, which is also a protective grounding.
5. It system is a system in which the neutral point of the power supply is not grounded and the electrical equipment is exposed to the conductive part directly grounded;The tt system is a system in which the neutral point of the power supply and the exposed conductive part of the electrical equipment are directly grounded; the tn system is a system in which the neutral point of the power supply is directly grounded and the exposed conductive part of the electrical equipment is directly electrically connected to the neutral point of the power supply.
6. IT system refers to the non-grounding system of power supply, in which the exposed conductive parts of all equipment are directly grounded by their respective protection lines PE, which is called the IT power supply system. IT systems are generally three-phase three-wire system. IT mode power supply system I indicates that there is no working grounding on the power supply side.
1. The TT TN IT power supply system is named according to the difference between the neutral point grounding N, the public protection line PE, and the protection neutral line PEN junction. The TT system refers to the three-phase four-wire, the neutral point is directly grounded, and the equipment is connected to the PE line. That is, the equipment shell is directly grounded.
2. The TT system is a system in which the neutral point of the power supply is directly grounded and the shell of the electrical equipment is also directly grounded. Usually, the grounding of the neutral point of the power supply is called working grounding, and the grounding of the equipment shell is called protective grounding. In the TT system, these two groundings must be independent of each other.
3. The TT system is a system in which the neutral point of the power supply is directly grounded, and the exposed conductive part of the electrical equipment is also directly grounded. Usually, the grounding of the neutral point of the power supply is called working grounding, and the grounding of the exposed conductive part of the equipment is called protective grounding.In the TT system, these two groundings must be independent of each other.
4. TT system: neutral point grounding of the power transformer, and the protective grounding of the electrical equipment shell. IT system: The neutral point of the power transformer is not grounded (or through high-impedance grounding), and the electrical equipment shell electrical equipment shell is grounded protectively.
1. IT system is a low-voltage power distribution system, and "protection zeroing system" is only a one-sided statement. Definition of IT system: a system in which the neutral point of the power supply is not grounded, and the exposed conductive part of the electrical equipment is directly grounded. The IT system can have a neutral line, but IEC does not recommend setting a neutral line.
2. The IT system is the right way to protect the zeroing system.It is a system in which the charged part of the power supply system is not grounded, or the exposed conductive part of the electrical equipment is grounded through impedance grounding. Nowadays, most of the grounding and zeroing systems adopt the standards stipulated by the International Electrotechnical Commission (IEC).
3. The it system belongs to the risk management infrastructure, but the data is not. This statement is wrong. Data and IT systems are both the risk management infrastructure of banks.
4. TT system: the neutral point of the power supply is directly grounded, and the shell of the electrical equipment is grounded by their respective grounding devices. IT system: The neutral point of the power supply is not grounded or grounded by impedance, and the shell of the electrical equipment is grounded by its respective grounding devices.
1. Protective grounding is applicable to all kinds of ungrounded distribution grids, such as some 1~10 kV distribution grids, low-voltage distribution grids under coal mines, etc. High requirements for power supply continuity, such as emergency power supply, hospital operating room, etc. Item B should use the TT system, and item CD should use the TN-C-S system.
2. It has been widely used in the fields of aircraft, automobiles, machinery, electronics, construction and light industry. For example, in the design process of electronic computers, CAD technology is used for architecture simulation, logic simulation, plug-in division, automatic wiring, etc., thus greatly improving the automation of design work.
3. It is generally used in places where power outages are not allowed, or places where continuous power supply is strictly required, such as electric steelmaking, operating rooms in large hospitals, underground mines, etc.The power supply conditions in the underground mine are relatively poor, and the cables are susceptible to moisture.
1. IT System (Information Technology System) refers to hardware, software, network and data, etc. The integrated system aims to support tasks such as information processing, data storage, analysis and communication.
2. IT system is a kind of low-voltage power distribution system, and "protection zero connection system" is only a one-sided statement. Definition of IT system: a system in which the neutral point of the power supply is not grounded, and the exposed conductive part of the electrical equipment is directly grounded. The IT system can have a neutral line, but IEC does not recommend setting a neutral line.
3. The IT system is the international standard IEC60364, which distinguishes three different types of grounding systems, and uses two letter codes to represent TN, TT and IT. The first letter indicates the relationship between the power supply end and the ground: T indicates that the power supply end is directly grounded; I indicates that all the energized parts of the power supply end are not grounded or a little grounded by impedance.
4. The it system is a system in which the neutral point of the power supply is not grounded but the exposed conductive part of the electrical equipment is directly grounded; the tt system is a system in which the neutral point of the power supply and the exposed conductive part of the electrical equipment are directly grounded; the tn system is the neutral point of the power supply is directly grounded and the exposed conductive part of the electrical equipment and A system in which the neutral point of the power supply is directly electrically connected.
5. IT system is right to protect the zeroing system. It's the power supply department.The charged part of the unified system is not grounded, or the exposed conductive part of the electrical equipment is grounded through impedance grounding. Nowadays, most of the grounding and zeroing systems adopt the standards stipulated by the International Electrotechnical Commission (IEC).
6. IT is the abbreviation of Information Technology in English, which means "information technology" in full. IT technology covers a wide range, mainly including: modern computers, network communication and other information technologies.
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1. Integrator, to put it bluntly, is a leather bag company, such as Lenovo, nothing, but a bunch of PM, sales, key technologies, production, it doesn't have anything.
2. Integrator refers to a professional institution that can provide customers with system integration products and services, usually legal entities or enterprise alliances. System integration refers to the integration of equipment and information within an organization, and the support for applications through a complete system. System integration includes equipment system integration and application system integration.
3. As the name implies, it is integrated into IT information system. The so-called integration does not only refer to providing hardware or application software, but also to complete the unified integration and application of hardware and software systems. It's just a big bag.
4. System integration, that is, the whole process of combining hardware, network, database and corresponding application software into a computer application information system with practical value according to application needs.
5. In our IT industry, SI (System Integration) is a system integrator.
1. It refers to computers, communications and related technologies. Abbreviated as Information Technology. And the lowercase it refers to animals, plants and inanimate objects. Information technology (IT) in a broad sense is a general term for various technologies used to manage and process information.
2. The IT system is the right way to protect the zeroing system. It is a system in which the charged part of the power supply system is not grounded, or the exposed conductive part of the electrical equipment is grounded through impedance grounding.Nowadays, most of the grounding and zeroing systems adopt the standards stipulated by the International Electrotechnical Commission (IEC).
3. The IT system is the international standard IEC60364 that distinguishes three different types of grounding systems, and uses two letter codes to represent TN, TT and IT. The first letter indicates the relationship between the power supply end and the ground: T indicates that the power supply end is a little directly grounded; I means that all the charged parts of the power supply end are not grounded or a little grounded by impedance.
4. IT system, that is, the neutral point ungrounded system rnIT system: the power supply of the rn IT system is not grounded or grounded through impedance, and the exposed conductive part of the electrical equipment can be directly grounded or connected to the grounding body of the power supply through the protection wire, which is also a protective grounding.
5. It system is a system in which the neutral point of the power supply is not grounded and the electrical equipment is exposed to the conductive part directly grounded;The tt system is a system in which the neutral point of the power supply and the exposed conductive part of the electrical equipment are directly grounded; the tn system is a system in which the neutral point of the power supply is directly grounded and the exposed conductive part of the electrical equipment is directly electrically connected to the neutral point of the power supply.
6. IT system refers to the non-grounding system of power supply, in which the exposed conductive parts of all equipment are directly grounded by their respective protection lines PE, which is called the IT power supply system. IT systems are generally three-phase three-wire system. IT mode power supply system I indicates that there is no working grounding on the power supply side.
1. The TT TN IT power supply system is named according to the difference between the neutral point grounding N, the public protection line PE, and the protection neutral line PEN junction. The TT system refers to the three-phase four-wire, the neutral point is directly grounded, and the equipment is connected to the PE line. That is, the equipment shell is directly grounded.
2. The TT system is a system in which the neutral point of the power supply is directly grounded and the shell of the electrical equipment is also directly grounded. Usually, the grounding of the neutral point of the power supply is called working grounding, and the grounding of the equipment shell is called protective grounding. In the TT system, these two groundings must be independent of each other.
3. The TT system is a system in which the neutral point of the power supply is directly grounded, and the exposed conductive part of the electrical equipment is also directly grounded. Usually, the grounding of the neutral point of the power supply is called working grounding, and the grounding of the exposed conductive part of the equipment is called protective grounding.In the TT system, these two groundings must be independent of each other.
4. TT system: neutral point grounding of the power transformer, and the protective grounding of the electrical equipment shell. IT system: The neutral point of the power transformer is not grounded (or through high-impedance grounding), and the electrical equipment shell electrical equipment shell is grounded protectively.
1. IT system is a low-voltage power distribution system, and "protection zeroing system" is only a one-sided statement. Definition of IT system: a system in which the neutral point of the power supply is not grounded, and the exposed conductive part of the electrical equipment is directly grounded. The IT system can have a neutral line, but IEC does not recommend setting a neutral line.
2. The IT system is the right way to protect the zeroing system.It is a system in which the charged part of the power supply system is not grounded, or the exposed conductive part of the electrical equipment is grounded through impedance grounding. Nowadays, most of the grounding and zeroing systems adopt the standards stipulated by the International Electrotechnical Commission (IEC).
3. The it system belongs to the risk management infrastructure, but the data is not. This statement is wrong. Data and IT systems are both the risk management infrastructure of banks.
4. TT system: the neutral point of the power supply is directly grounded, and the shell of the electrical equipment is grounded by their respective grounding devices. IT system: The neutral point of the power supply is not grounded or grounded by impedance, and the shell of the electrical equipment is grounded by its respective grounding devices.
1. Protective grounding is applicable to all kinds of ungrounded distribution grids, such as some 1~10 kV distribution grids, low-voltage distribution grids under coal mines, etc. High requirements for power supply continuity, such as emergency power supply, hospital operating room, etc. Item B should use the TT system, and item CD should use the TN-C-S system.
2. It has been widely used in the fields of aircraft, automobiles, machinery, electronics, construction and light industry. For example, in the design process of electronic computers, CAD technology is used for architecture simulation, logic simulation, plug-in division, automatic wiring, etc., thus greatly improving the automation of design work.
3. It is generally used in places where power outages are not allowed, or places where continuous power supply is strictly required, such as electric steelmaking, operating rooms in large hospitals, underground mines, etc.The power supply conditions in the underground mine are relatively poor, and the cables are susceptible to moisture.
1. IT System (Information Technology System) refers to hardware, software, network and data, etc. The integrated system aims to support tasks such as information processing, data storage, analysis and communication.
2. IT system is a kind of low-voltage power distribution system, and "protection zero connection system" is only a one-sided statement. Definition of IT system: a system in which the neutral point of the power supply is not grounded, and the exposed conductive part of the electrical equipment is directly grounded. The IT system can have a neutral line, but IEC does not recommend setting a neutral line.
3. The IT system is the international standard IEC60364, which distinguishes three different types of grounding systems, and uses two letter codes to represent TN, TT and IT. The first letter indicates the relationship between the power supply end and the ground: T indicates that the power supply end is directly grounded; I indicates that all the energized parts of the power supply end are not grounded or a little grounded by impedance.
4. The it system is a system in which the neutral point of the power supply is not grounded but the exposed conductive part of the electrical equipment is directly grounded; the tt system is a system in which the neutral point of the power supply and the exposed conductive part of the electrical equipment are directly grounded; the tn system is the neutral point of the power supply is directly grounded and the exposed conductive part of the electrical equipment and A system in which the neutral point of the power supply is directly electrically connected.
5. IT system is right to protect the zeroing system. It's the power supply department.The charged part of the unified system is not grounded, or the exposed conductive part of the electrical equipment is grounded through impedance grounding. Nowadays, most of the grounding and zeroing systems adopt the standards stipulated by the International Electrotechnical Commission (IEC).
6. IT is the abbreviation of Information Technology in English, which means "information technology" in full. IT technology covers a wide range, mainly including: modern computers, network communication and other information technologies.
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