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Delivery: <= 3 days. True-PDF full-copy in English will be manually translated and delivered via email. GY/T 208-2005: Radio and TV tower maintenance specifications for power supply, lightning protection, water supply and waste water treatment, ventilation and fire fighting systems+ Status: Valid
Basic dataStandard ID: GY/T 208-2005 (GY/T208-2005)Description (Translated English): Radio and TV tower maintenance specifications for power supply, lightning protection, water supply and waste water treatment, ventilation and fire fighting systems+ Sector / Industry: Radio, Film & TV Industry Standard (Recommended) Classification of Chinese Standard: M70 Classification of International Standard: 33.160 Word Count Estimation: 18,111 Date of Issue: 2005-05-08 Date of Implementation: 2005-06-01 Summary: This standard specifies the radio and television tower power supply, lightning protection, drainage, ventilation and fire protection system operation and maintenance procedures. This standard applies to power towers, lightning protection, drainage, ventilation and fire protection facilities operation and maintenance. GY/T 208-2005: Radio and TV tower maintenance specifications for power supply, lightning protection, water supply and waste water treatment, ventilation and fire fighting systems+---This is a DRAFT version for illustration, not a final translation. Full copy of true-PDF in English version (including equations, symbols, images, flow-chart, tables, and figures etc.) will be manually/carefully translated upon your order. Radio and TV tower maintenance specifications for power supply, lightning protection, water supply and waste water treatment, ventilation and fire fighting systems GY Central Republic Radio, Film and Television Radio and television tower power supply, lightning protection, water supply and drainage, Ventilation and fire protection system operation and maintenance procedures Radio and TV tower maintenance specifications for power supply, lightning protection, water supply and waste water treatment, ventilation and fire fighting systems Shi 2.2005-06-01 Real 005-05-08 China National Radio, Film and Television Administration issued standard cloth ContentsForeword ... II 1 Scope ... 1 2 Normative references ... 1 3 Power supply system ... 1 4 Lightning protection system ... 7 5 Water supply and drainage system ... 8 6 Ventilation and air conditioning system ... 10 7 Fire protection system ... 11 References ... 15ForewordThe radio and television tower is a super-high special building, which is the hub of radio and television transmission and transmission. It is responsible for television, FM radio, microwave, and communication. Information and other services, some still integrate tourism and tourism as a whole, are extremely important radio and television facilities. China has a considerable number of towers in the past 10 years Completed and put into operation, but in operation and maintenance, there is not a uniform maintenance standard in various places, and the quality of maintenance is difficult to guarantee. To ensure wide The broadcast television tower runs safely to protect equipment safety and personal safety, so that it has rules to follow. This standard is specially formulated. In China, most of the radio and television towers have been built and put into operation in the past ten years. The surface has not met the requirements of the current regulations. It is recommended that after the implementation of this standard, conditional tower units should be gradually rectified to ensure high tower safety. Fully reliable operation. This standard is under the jurisdiction of the National Radio and Television Standardization Technical Committee. This standard was drafted. State Administration of Radio, Film and Television Administration of Radio Station, China Radio, Film, Television Design and Research Institute. The main drafters of this standard. Zhang Xiaoliang, Guo Weiyue, Gao Ruilai, Gao Lianbo, Guan Weiji, Zhang Qiaomei, Xiang Rong, and Xu Wenxiang. Radio and television tower power supply, lightning protection, water supply and drainage, Ventilation and fire protection system operation and maintenance procedures1 ScopeThis standard specifies the operation and maintenance of the power supply, lightning protection, water supply and drainage, ventilation, and fire protection systems of radio and television towers (hereinafter referred to as towers). procedure. This standard applies to the operation and maintenance of power supply, lightning protection, water supply and drainage, ventilation and fire protection facilities for high towers.2 Normative referencesThe clauses in the following documents have become the clauses of this standard after being referenced. For dated references, all subsequent documents The amendments (excluding the content of errata) or the revised versions are not applicable to this standard, however, all parties that reach an agreement based on this standard are encouraged Investigate whether the latest version of these files is available. For undated references, the latest version applies to this standard. GB/T 1O228 Dry-type transformer technical parameters and requirements GB/T 13869-1992 Electrical safety guidelines GB 14050-1993 System grounding type and safety technical requirements GB 14821.1-1993 Electric shock protection of electrical installations in buildings DL-408-1991 Electric Power Industry Safe Working Rules3 Power supply system3.1 General provisions 3.1.1 Before the electrical equipment is put into operation, a high-power tower shall establish and improve the power consumption management mechanism, according to the voltage level and power capacity of the electrical equipment. And the specific conditions of electrical equipment are equipped with electrical equipment operation, maintenance, repair and maintenance professionals. 3.1.2 Electrical professionals of high towers shall comply with the requirements of local electric power industry and labor bureau on the requirements for on-site electrical workers. Documents, holding a post. 3.1.3 High towers shall establish the operation, maintenance, and overhaul of electrical equipment in accordance with the provisions of this standard and relevant regulations, and in accordance with the specific conditions of the unit. And test system; do a good job of safety technical training for electrical staff and improve the level of operation management. Responsible persons at all levels shall implement this standard Monitoring and inspection of the situation. 3.1.4 The tower's electrical department should pay attention to and improve the operation and management of electrical equipment to ensure the integrity of the equipment. Realization of power system The system is safe, reasonable and economical. 3.1.5 Tall towers shall combine the characteristics of the season, the characteristics of the safety broadcast work of the unit and relevant requirements, and organize the electrical staff to make advances in electrical equipment. Conduct safety inspections, strengthen equipment management, and implement various accident prevention measures. 3.1.6 The selection of electrical equipment for high towers should meet the requirements of relevant national standards and industry standards. And should choose oil-free products. 3.2 Operation and Maintenance Management of Substations 3.2.1 Operation and maintenance management system of substations The substation (distribution) power station shall establish the following operation and maintenance management system. -Duty system; -The transfer system; -Inspection system; -Equipment maintenance management system; -Technical training system; -Operating procedures; -Power system dispatch management system; -Emergency plan implementation system; -Site environmental management system; -Relevant systems that need to be developed according to specific circumstances. 3.2.2 Technical Management of Substations 3.2.2.1 Transformer (distribution) substations shall comply with the electrical safety work regulations, electrical engineering installation regulations, and electrical Equipment operation management regulations, and formulate field work regulations in accordance with specific conditions, and implement them carefully. 3.2.2.2 The substation (distribution) substation shall have the following technical management data according to the needs of on-site production. 3.2.2.2.1 Drawings -Primary system wiring diagram; -Secondary wiring diagram of relay protection and automatic equipment; -Electricity system diagram of substations (including accident lighting systems); -DC power system diagram; -Level and section views of substations (distribution) (including power distribution equipment and main equipment layout); -Vertical cable trunking diagram (including use, path, section, model); -Completion plans for concealed works; -Plan of power supply (indicate total capacity of load point) and diagram of power distribution system. 3.2.2.2.2 Information -Each (group) equipment in the substation (distribution) power station should establish equipment files and be managed by a special person; -The contents of the equipment file include. manufacturer's equipment manual, equipment card, product qualification certificate when the equipment leaves the factory, test report Sheet and insulation analysis appraisal, maintenance record, defect record, dispatch, order, operation record book, operation work record (value (Shift log), equipment and system operation records, calibration data for relay protection, etc. 3.2.2.3 Utensil and equipment The following appliances and equipment shall be provided in the transformer (distribution) power station. -Various safety appliances, temporary ground wires, various safety signs and other commonly used tools; -Commonly used portable meters (including insulation shakers, clamp ammeters, voltmeters, multimeters, DC bridges, thermometers, etc.) -Portable emergency lights, flashlights; -- Fire equipment; -First aid kit. 3.2.3 Inspection of substation (distribution) equipment 3.2.3.1 The substation (distribution) substation shall arrange inspection work according to the requirements of the inspection system. For newly invested or overhauled equipment During the trial operation phase (usually 72h), inspections should be strengthened, and no abnormalities can be confirmed before inspections can be carried out according to the normal inspection cycle. 3.2.3.2 When inspecting the equipment, carefully observe the observation by the staff on duty and the necessary instrumental assistance (infrared thermometer, etc.). Analysis. When abnormal phenomena are found, they should be handled in a timely manner and records should be made. Major abnormal phenomena shall be reported to the superior or relevant departments in a timely manner. 3.2.4 Cleaning (distribution) of substation (distribution) electric equipment cleaning inspection and preventive test 3.2.4.1 Substation (distribution) substations shall be cleaned and inspected at least once a year. 3.2.4.2 The transformer (distribution) substation's high-voltage transformer (distribution) electrical installation equipment shall arrange preventive tests in accordance with relevant requirements. 3.2.5 Operation (maintenance) and accident handling of high-voltage transformer (distribution) electrical installations in transformer (distribution) substations 3.2.5.1 When an abnormal situation occurs in the high-voltage transformer (distribution) electrical device during operation, the watchkeeper shall quickly and correctly judge and deal with it, and report to Power supply authority report. Any abnormality in the equipment dispatched by the power supply department should be reported to the dispatcher on duty, such as threatening personal safety When the equipment or equipment is running safely, it should be handled first, and then report to the relevant departments and leaders immediately. 3.2.5.2 When the circuit breaker is off, test delivery is not allowed. The cause of the failure must be found out, and the test delivery can only be performed after the failure is eliminated. 3.3 Power transformer operation and maintenance 3.3.1 Transformer operation and maintenance 3.3.1.1 The routine inspection of transformers generally includes the following. -Whether the sound and temperature of the transformer are normal; -Lead joints, cables, and bus bars should be free of overheating; -Whether the epoxy resin layer of the dry-type transformer is intact without cracks or damage; -The doors, windows and lighting of the transformer room should be intact. The house is not leaking; -Other items that should be checked in the field regulations according to the structural characteristics of the transformer. 3.3.1.2 The periodic inspection period of the transformer can be determined in the field regulations according to the specific conditions. The periodic inspection should include the following items. -There should be no abnormal heat generation on the shell and box edges; -The grounding of all parts should be intact, and the grounding current of the iron core and the clamp should be measured if necessary; -Various signs should be complete and obvious; -Various protection devices should be complete and good; -All thermometers should be within the calibration period, and the over-temperature signal should be correct and reliable; -Fire protection facilities should be complete and intact; -The indoor transformer ventilation equipment should be intact. 3.3.1.3 The standby transformer in operation shall be ready for operation at any time. It should be charged regularly during long-term outage. The installation should be put into operation at the same time. 3.3.1.4 Before the transformer is put into operation for the first time, it should be operated without load for 24 hours, and it can be operated with load only after normal operation. 3.3.1.5 The transformer has been stopped for one year or more. When it is ready to be put into operation, it should be overdue test. 3.3.1.6 During the shutdown and storage of dry-type transformers, insulation shall be protected from moisture. 3.3.2 Transformer abnormality and accident handling 3.3.2.1 When the duty officer finds an abnormal phenomenon during the operation of the transformer, he should take measures to deal with it as soon as possible, and report it to the superior and take notes record. 3.3.2.2 Dealing with transformer tripping and fire. 3.3.2.2.1 After the transformer trips, the cause should be found out immediately. If comprehensive judgment proves that the transformer trip is not caused by an internal fault, It can be put into operation again; if the transformer has symptoms of internal faults, it should be further checked. 3.3.2.2.2 When the transformer catches fire, immediately disconnect the power supply, turn off the cooling device, and take prompt fire extinguishing measures to prevent the fire from spreading. 3.3.3 Maintenance of transformer Comprehensively analyze the following factors to determine whether the transformer in operation needs maintenance. -Maintenance intervals and items recommended by the power transformer maintenance process guidelines; -Defects in operation and their severity. 3.4 Operation and Maintenance of High Voltage Circuit Breaker 3.4.1 General requirements 3.4.1.1 The circuit breaker shall have the manufacturer's nameplate marked with basic parameters and other contents. The basic parameters of the circuit breaker should meet the operating conditions of the installation site And leave a proper margin, such as. the rated short-circuit breaking current of the product should be greater than the maximum short-circuit current at the installation site. 3.4.1.2 The opening and closing indicators of circuit breakers shall be easy to observe and indicate correctly. 3.4.1.3 The grounding metal case of the circuit breaker shall have an obvious grounding mark, and the grounding bolt shall not be less than M 12 and be in good contact. 3.4.1.4 There shall be measures to monitor the operating temperature status at the connection of the circuit breaker terminal board or other necessary places, such as temperature display wax. 3.4.1.5 The operating mechanism box (except inside the switch cabinet) of each circuit breaker shall have a running number and name. 3.4.1.6 The corresponding live parts exposed on the circuit breaker shall have obvious phase paint. 3.4.2 Operation, monitoring, maintenance and operation of circuit breakers 3.4.2.1 Inspection of circuit breaker operation 3.4.2.1.1 The high-voltage circuit breakers in operation and in the standby state shall be inspected regularly. Normal operation inspection can be changed with The high-voltage power distribution device of the power station will be carried out together. The inspections are carried out by the staff on duty. 3.4.2.1.2 The inspection cycle can be determined according to the specific equipment situation. 3.4.2.2 Inspection of vacuum circuit breaker 3.4.2.2.1 The indication of the opening and closing positions is correct and consistent with the actual operating conditions at that time. 3.4.2.2.2 Support the insulator without cracks and abnormal discharge noise, and there is no dust on the insulation rods, braces and insulators. 3.4.2.2.3 There is no abnormality in the vacuum interrupter. 3.4.2.2.4 The protective grounding device is intact. 3.4.2.2.5 There is no overheating in the contact part of the lead, and the lead slack is moderate. 3.4.2.3 Inspection inspection of electromagnetic operating mechanism 3.4.2.3.1 The mechanism box door is flat, flexible to open and tightly closed. 3.4.2.3.2 Check that the opening and closing coils and closing contactor coils are free of smoke and odor. 3.4.2.3.3 There is no looseness, no patina or rust on the terminals of the DC power circuit. 3.4.2.3.4 The heater is normally intact. 3.4.2.4 Inspection of spring mechanism 3.4.2.4.1 The mechanism box door is flat, flexible to open and tightly closed. 3.4.2.4.2 The circuit breaker is in the running state, and the power switch blade of the energy storage motor is in the closed position. 3.4.2.4.3 Check that the contacts of the energy storage motor and the travel switch are not stuck or deformed. The opening and closing coils have no smoke and no odor. 3.4.2.4.4 When the circuit breaker is in the standby state, the opening connecting rod shall return, the opening lock shall be in place, and the closing spring shall store energy. 3.4.2.4.5 The heater is normally intact. 3.4.2.5 Special inspections of circuit breakers 3.4.2.5.1 After the new installation is put into operation, the inspection cycle should be relatively shortened. After the operation of the operator for 72 hours, it can be transferred to the normal inspection. 3.4.2.5.2 Substations (distribution) shall arrange night inspections according to the specific conditions of the equipment. Night inspections should be conducted with the lights off. 3.4.2.5.3 Sudden changes in temperature and high temperature seasons should strengthen inspections. 3.4.2.5.4 Inspections should be strengthened during important activities or peak loads. 3.4.2.6 Normal operation and maintenance of circuit breaker 3.4.2.6.1 Regular cleaning of non-energized parts. 3.4.2.6.2 Cooperate with other equipment to stop the motor, check the transmission parts, and clean up the dirt and treatment defects accumulated in the porcelain bottle. 3.4.2.6.3 Add lubricating oil to the mechanical parts according to the equipment instruction manual. 3.4.2.6.4 Check whether the closing power fuse is normal and check whether the capacity is consistent. 3.4.3 Abnormal operation and accident handling of circuit breaker 3.4.3.1 Any abnormal phenomenon discovered by the watchkeeper during the operation of the circuit breaker shall be eliminated in time. Level leadership, and recorded in the operation log and equipment defect log. 3.4.3.2 After the breaker is opened, the staff on duty shall immediately record the time when the fault occurred, stop the acoustic signal, and immediately perform the "accident "Check" to determine whether the circuit breaker itself is faulty. 3.4.3.3 The circuit breaker refuses to operate when the circuit breaker fails to open, resulting in an over-level circuit breaker. When power is restored to the system, the circuit breaker that has failed to operate should be disconnected Leave the system and keep it as it is. Investigate the reason for refusal to move and eliminate the defects before investing. 3.4.4 Technical maintenance and test of circuit breaker 3.4.4.1 The circuit breaker should be arranged for major and minor repairs according to the specific conditions of the equipment. The maintenance cycle and maintena......Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of GY/T 208-2005_English be delivered?Answer: Upon your order, we will start to translate GY/T 208-2005_English as soon as possible, and keep you informed of the progress. The lead time is typically 1 ~ 3 working days. The lengthier the document the longer the lead time.Question 2: Can I share the purchased PDF of GY/T 208-2005_English with my colleagues?Answer: Yes. The purchased PDF of GY/T 208-2005_English will be deemed to be sold to your employer/organization who actually pays for it, including your colleagues and your employer's intranet.Question 3: Does the price include tax/VAT?Answer: Yes. 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