|
US$499.00 · In stock
Delivery: <= 4 days. True-PDF full-copy in English will be manually translated and delivered via email.
DL/T 2019-2019: (Operation and maintenance procedures for power storage system of pumped storage power station)
Status: Valid
| Standard ID | Contents [version] | USD | STEP2 | [PDF] delivered in | Standard Title (Description) | Status | PDF |
| DL/T 2019-2019 | English | 499 |
Add to Cart
|
4 days [Need to translate]
|
(Operation and maintenance procedures for power storage system of pumped storage power station)
| Valid |
DL/T 2019-2019
|
PDF similar to DL/T 2019-2019
Basic data | Standard ID | DL/T 2019-2019 (DL/T2019-2019) | | Description (Translated English) | (Operation and maintenance procedures for power storage system of pumped storage power station) | | Sector / Industry | Electricity & Power Industry Standard (Recommended) | | Classification of Chinese Standard | P59 | | Word Count Estimation | 20,269 | | Date of Issue | 2019-06-04 | | Date of Implementation | 2019-10-01 | | Regulation (derived from) | Natural Resources Department Announcement No. 7 of 2019 | | Issuing agency(ies) | National Energy Administration | DL/T 2019-2019: (Operation and maintenance procedures for power storage system of pumped storage power station)
---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.
Code for operation and maintenance service power system of pumped storage power station
ICS 27.140
P 59
Record number. 63143-2018
People's Republic of China Electric Power Industry Standard
Operation and Maintenance Regulations for Auxiliary Power System of Pumped Storage Power Station
2019-06-04 released
2019-10-01 implementation
Issued by National Energy Administration
Table of contents
Foreword...III
1 Scope...1
2 Normative references...1
3 Terms and definitions...1
4 Basic requirements...1
5 System operation...1
6 Equipment maintenance...6
7 Equipment maintenance...7
8 Technical documents...8
Appendix A (normative appendix) Daily maintenance of plant power system...9
Appendix B (informative appendix) Example of black start test of diesel generator...13
Appendix C (informative appendix) Sample of operation and inspection procedures for plant power system...14
Foreword
The format and rules of this standard complies with GB/T 1.1-2009 "Guidelines for Standardization Part 1.Standard Structure and Writing"
Claim.
Please note that certain contents of this standard may involve patents. The issuing organization of this standard does not bear the responsibility for identifying these patents.
This standard was proposed and managed by the China Electricity Council.
The main drafters of this standard. State Grid Xinyuan Holdings Co., Ltd., China Southern Power Grid Peak and Frequency Modulation Power Generation Co., Ltd., State Grid Xinyuan
Holding Co., Ltd. Technology Center, East China Yixing Pumped Storage Co., Ltd., Henan State Grid Baoquan Pumped Storage Co., Ltd., Anhui Xiangshuijian
Pumped Storage Co., Ltd., Shandong Taishan Pumped Storage Power Station Co., Ltd., East China Langyashan Pumped Storage Co., Ltd., South China
Grid Peak and Frequency Modulation Power Generation Co., Ltd. Overhaul and Test Branch, Guangdong Pumped Storage Power Co., Ltd., East China Tianhuangping Pumped Storage Co., Ltd.
the company
The main drafters of this standard. Le Zhenchun, Hao Guowen, Zhang Quansheng, Shang Dong, Zeng Guangyi, Xia Binqiang, Li Jianguang, Cao Jie, Liang Shaoquan,
Yang Xu, Shi Jingmin, Cheng Shiming, Wu Junfeng, Yu Zhongwei, Wang Yong, Gong Kui, Liu Fu, Yi Chuanbao, Wang Haitao, Li Jingyan, Zhang Liang, Li
Dewa.
This standard is issued for the first time.
The opinions or suggestions during the implementation of this standard will be fed back to the Standardization Management Center of the China Electricity Council (Baiguang Road 2nd, Beijing)
Article No. 1, 100761).
Operation and Maintenance Regulations for Auxiliary Power System of Pumped Storage Power Station
1 Scope
This standard specifies the requirements for the operation, maintenance and overhaul of the auxiliary power system of pumped storage power stations.
This standard applies to pumped storage power stations.
2 Normative references
The following documents are indispensable for the application of this document. For dated reference documents, only the dated version applies to this article
Pieces. For undated references, the latest version (including all amendments) applies to this document.
GB/T 32574 Guidelines for overhaul of pumped storage power stations
DL/T 596 Preventive test procedures for electrical equipment
DL/T 664 Application Specification for Infrared Diagnosis of Live Equipment
DL/T 1102 Operating Regulations for Distribution Transformers
DL/T 1253 Power cable line operation regulations
3 Terms and definitions
3.1
Plant power system
Maintain the power system for the equipment and lighting produced by the pumped storage power station. Including 35kV and below factory transformers, high voltage switch cabinets, electric
Reactor, load switch, low voltage switch cabinet, voltage transformer, current transformer, low voltage switchboard, arrester cabinet, diesel generator, pouring
Note busbars, dense busbars, cables, overhead lines, automatic switching devices, etc.
3.2
Diesel generator test for black start
Diesel generators are used to simulate the condition of power outage in the whole station, and provide the governor, ball valve and technical water supply required for the unit to start power generation
Wait for the test of auxiliary system AC power load.
4 Basic requirements
4.1 The auxiliary power system shall adopt the segmented operation mode. When the operation mode is changed, it shall meet the requirements of the accident plan.
4.2 According to the design requirements and operating environment, the plant power system should be inspected, regularly switched, routine maintenance, live detection, overhaul,
Preventive testing and other work.
4.3 The anti-misoperation locking device of the auxiliary power system should be in good condition.
4.4 The live warning signs on the cabinet doors of the plant power system equipment should be intact, and the exposed live parts should be reliably covered.
4.5 Check the operation mode of the system before operation, and confirm that the operated equipment and operation steps are correct.
4.6 The standby auto-switching device of busbars at all levels should be put in normally, and the standby power automatic switching test should be carried out regularly.
4.7 Diesel generators should be started regularly and a load switching test should be carried out.
4.8 The pumped storage power station shall prepare emergency response plans for the auxiliary power system according to actual conditions.
4.9 Pumped-storage power stations should prepare technical document management requirements for plant power system equipment, and use the information management system to carry out the entire process of equipment management.
Rationale.
5 System operation
5.1 General requirements
5.1.1 The voltage deviation of the bus at all levels of the plant service power should not exceed ±5% of the rated voltage. When only the motor is connected, it may not exceed 10% and
-5%. When the generator is running in phase, the auxiliary power voltage should be monitored within the normal range.
5.1.2 The relay protection device of plant power equipment should be set according to the fixed value list and checked regularly.
5.1.3 Changing the operation mode of auxiliary power supply should be carried out when the whole plant's units are shut down.
5.2 Operation mode
5.2.1 Normal operation mode
5.2.1.1 The normal operation mode of the auxiliary power system shall meet the following conditions.
a) The working power supply is normally turned on;
b) The regional power supply is running or hot standby;
c) Diesel generators and other safety power supplies can be started remotely when they are in cold standby state;
d) The automatic switching function of standby power at all levels of the auxiliary power system is normal;
e) The relay protection function is normal.
5.2.2 Abnormal operation mode
5.2.2.1 The plant power system does not meet the conditions of the normal operation mode and is an abnormal operation mode.
5.2.2.2 When the plant power system is in the following abnormal operation modes, the monitoring and inspection shall be strengthened.
a) The operating mode where part of the working power supply is lost and the remaining working power supply or backup power supply is used;
b) Operation mode in which all working power is lost and power is supplied by the backup power;
c) The operation mode in which all working power and backup power are lost and the power is supplied by the security power supply.
5.3 Run operation
5.3.1 High voltage switch cabinet operation
5.3.1.1 The opening and closing of the circuit breaker in the high-voltage switch cabinet should be operated remotely and inspected on site. Check and confirm before opening and closing operations to prevent errors
Open and close the circuit breaker.
5.3.1.2 For the high-voltage switchgear as the isolation point of the overhaul equipment, the handcart should be shaken to the test or overhaul position after disconnecting the circuit breaker, and prevent
Locking measures that are accidentally moved into the working position, and the control power supply and closing energy should be disconnected.
5.3.1.3 After the circuit breaker is operated, check that the opening and closing positions of the circuit breaker are correct. Before operating the circuit breaker handcart, confirm that the circuit breaker is in the open position.
5.3.1.4 When the circuit breaker is running, the emergency opening button should not be blocked.
5.3.1.5 After the circuit breaker is pulled out from the switch cabinet, check that the live parts in the switch cabinet are reliably covered.
5.3.1.6 Before operating the isolating switch, check that the corresponding circuit breaker is in the open position.
5.3.1.7 Before closing the isolating switch, check that the corresponding grounding switch has been disconnected and the grounding wire has been removed.
5.3.1.8 Before operating the grounding switch, check that the corresponding circuit breaker is in the open position, the circuit breaker trolley is in the test position, or the isolating switch is in the test position.
Opening position.
5.3.1.9 Before closing the grounding switch, the cable compartment door should be kept closed; before closing the cable compartment door, check that the grounding switch is closed.
Gate position.
5.3.2 Low-voltage switchgear operation
5.3.2.1 Before disconnecting the low-voltage switchgear circuit breaker, the large-capacity load should be stopped.
5.3.2.2 After the circuit breaker is operated, check that the corresponding indicator is displayed correctly, and check the corresponding load.
5.3.2.3 Before shaking or pulling out the circuit breaker handcart, check that the circuit breaker is in the open position.
5.3.2.4 The trolley or withdrawable circuit breaker used as the isolation point for equipment maintenance should be placed in the maintenance or test position, and should be equipped to prevent misoperation.
Measures.
5.3.2.5 After the circuit breaker is put into the warehouse, the position of the circuit breaker should be checked, and the plug-in components should be connected reliably.
5.3.2.6 Fixed circuit breakers should not be used as isolation points for maintenance equipment.
5.3.3 Diesel generator operation
5.3.3.1 The start and stop operation modes of diesel generator include remote start and stop, local start and stop and automatic start and stop.
5.3.3.2 The operation mode of the black start diesel generator should be placed remotely or automatically.
5.3.3.3 Diesel generators should be started and stopped regularly, and the frequency should not be less than once a month. It is advisable to test remote and on-site operations respectively when starting and stopping
Made.
5.3.3.4 Before the start-stop test of the diesel generator, the status of the diesel generator should be checked and it can be operated after confirming that it is normal.
5.3.3.5 For diesel generators that use battery packs as the starting power source, the battery packs should be in a floating charge state, and the battery power should be kept sufficient.
5.3.3.6 Diesel generators should be tested with load 1-2 times a year. The diesel generator of the flood gate shall be carried out once before and after the flood.
Load test.
5.4 Run tour
5.4.1 Transformer inspection
5.4.1.1 The inspection cycle of the transformer should not be less than once a week, and the inspection record should be made.
5.4.1.2 Special patrol inspection should be carried out on the transformer under the following conditions.
a) New equipment or transformers that have been overhauled or modified are put into operation within 72 hours;
b) When running with serious defects or suspected of serious defects;
c) During the hot season;
d) When the transformer is operating at over-rated load.
5.4.1.3 The patrol inspection of dry-type transformers shall include the following.
a) The sound of the transformer is uniform and normal, with no discharge traces and no peculiar smell;
b) The voltage and current of the transformer are normal;
c) The temperature control device is working normally and the temperature value is within the normal range, the lead joints, cables, and bus bars have no signs of heating, and the transformer windings,
The core temperature is normal;
d) The tap position and power indication of the on-load tap changer are normal;
e) All control boxes, secondary terminal boxes and mechanism boxes are tight and free from moisture;
f) The transformer shell has no pollution, and the fireproof sealing is intact;
g) The doors, windows and lighting of the transformer room are intact, without water leakage, and the temperature and humidity are normal.
5.4.1.4 The patrol inspection of oil-immersed transformers shall include the following.
a) The sound of the transformer is uniform and normal, with no discharge traces and no peculiar smell;
b) The voltage and current of the transformer are normal;
c) The temperature control device is working normally and the temperature value is within the normal range, the lead joints, cables, and bus bars have no signs of heating, and the transformer windings,
The core temperature is normal;
d) The oil temperature and thermometer of the transformer are normal, and there is no oil leakage or oil leakage at all parts;
e) The casing oil level is normal, and there is no damage or cracks, serious oil pollution and other abnormal phenomena on the outside of the casing;
f) The temperature of each cooler is similar, the fan, oil pump, and water pump operate normally, the oil flow relay works normally, and there is no leakage in the negative pressure area of the submersible pump
Oil spill
g) Except for the double-layer copper tube cooler, the oil pressure of the water cooler is greater than the water pressure;
h) The moisture absorber is intact and the adsorbent is dry;
i) Pressure release valve, safety air passage and explosion-proof membrane are intact;
j) The tap position and power indication of the on-load tap changer are normal;
k) There is no gas accumulation in the gas relay;
l) All control boxes, secondary terminal boxes and mechanism boxes are tight and free from moisture;
m) The doors, windows and lighting of the transformer room are intact, without water leakage, and the temperature and humidity are normal.
5.4.2 Switchgear inspection
5.4.2.1 The inspection cycle of the switchgear shall be no less than once a week, and inspection records shall be made.
5.4.2.2 Special inspections of the switchgear should be carried out under the following conditions.
a) The new equipment or the overhauled or modified switchgear has been put into operation within 72 hours;
b) Prior to the thunderstorm season, after heavy winds, heavy rains, ice and snow and other severe weather, focus on inspections of switch cabinets that are not in the underground plant;
c) When there are serious defects or suspected serious defects in operation;
d) When the relay protection function exits for some reason.
5.4.2.3 The patrol inspection of high-voltage switchgear shall include the following.
a) The doors of the circuit breaker room and cable room are tight, and the locking function is normally activated;
b) The switch cabinet voltage and current are normal;
c) The appearance is normal, there is no discharge trace, no abnormal sound, no strange smell;
d) The control mode of the circuit breaker and isolating switch is correct;
e) The indications of the opening and closing status, position status, control mode, energy storage status of the circuit breaker and isolating switch are correct, and the principle status is different
State indication is consistent;
f) The voltage and current transformer instructions are correct, there is no abnormal sound or vibration, and the position of the small switch on the secondary side is correct;
g) The small switch in the secondary room is in the correct position, and the cabinet is clean and free of debris;
h) The circuit breaker room and cable room heater are normally put in;
i) The standby automatic switching device is normally put in, and the protection device is operating normally;
j) The doors, windows and lighting of the switchgear room are intact, without water leakage, temperature and humidity are normal, and the fireproof sealing is intact.
5.4.2.4 The patrol inspection of low-voltage switchgear shall include the following contents.
a) The operating voltage and current of the switchgear are normal;
b) The appearance is normal, there is no trace of discharge, no abnormal sound, no strange smell;
c) The opening and closing status, position status, control mode and energy storage status of the circuit breaker are indicated correctly, and the status indications of different principles are consistent;
d) The opening and closing positions of the small switch in the secondary room are correct, the cabinet is clean and free of debris, the heater operates normally, and the cabinet door is intact and closed reliably;
e) The live parts of the switchgear are effectively shielded, there are no exposed copper bars or joints in the cabinet that can be directly touched, and the insulating sheath or baffle is not aging and
Breakage phenomenon;
f) The normal operation of the standby automatic input device;
g) The doors, windows, and lighting of the switch cabinet room are intact, without water leakage, temperature and humidity are normal, and fire-proof sealing is intact.
5.4.3 Inspection of diesel generators
5.4.3.1 The inspection cycle should be no less than once a week when the diesel generator is stopped for standby, and should be carried out before the start-stop test, during operation and after shutdown
Make inspections and make inspection records.
5.4.3.2 Special inspections of diesel generators should be carried out under the following conditions.
a) New equipment or diesel generators that have been overhauled or modified within 72 hours of operation;
b) When the auxiliary power system is switched to a special operation mode, when a diesel generator is required for power supply;
c) When black-start diesel generators are responsible for important power protection tasks;
d) Diesel generators used for gates, spillway tunnels or leakage drainage during flood control.
5.4.3.3 The patrol inspection when the diesel generator is shut down for standby shall include the following.
a) The oil level of the engine oil is within the range of the scale, and there is no oil leakage;
b) The fuel oil level is sufficient, and there is no leakage in the fuel tank and the oil inlet and return pipe;
c) The cooling water level is within the scale range and there is no leakage;
d) When the cooling water temperature is lower than specified, the heating system operates reliably;
e) The air filter is dry, clean, without damage, and the blockage indicator works normally;
f) The starting system wiring is normal, and the battery voltage is within the normal range;
g) The display of the control cabinet screen is normal without alarm.
5.4.3.4 The patrol inspection for no-load operation of diesel generators shall include the following.
a) Before starting the diesel generator without load, check the equipment condition to meet the starting requirements;
b) The main parameters such as the operating voltage and current of the diesel generator are within the normal range;
c) The diesel generator has no abnormal sound or vibration;
d) The lubricating oil pressure is normal;
e) The cooling water level and temperature are normal;
f) The cooling fan is operating normally;
g) The smoke color is normal.
5.4.3.5 The patrol inspection of diesel generator load operation shall include the following.
a) When the diesel generator increases or decreases the load, the speed and voltage remain stable;
b) The turbine outlet temperature is normal, and the cooling system is operating normally.
5.4.4 Power cable inspection
5.4.4.1 The power cable inspection cycle shall be implemented in accordance with DL/T 1253.
5.4.4.2 Special patrol inspections of power cables should be carried out in the following situations.
a) When the new cable is put into operation or resumed operation after overhaul;
b) When there are serious defects or suspected serious defects in operation;
c) During construction around the cable line;
d) When the excavation of the cable line is exposed;
e) During the hot season;
f) When the transformers, circuit breakers, etc. on the cable line are operating with over-rated loads;
g) Equipment of the same type has failed.
5.4.4.3 The patrol inspection of power cables shall include the following.
a) The cable body and outer sheath are not deformed, the surface temperature is normal, and there is no discharge or pollution on the surface of the cable terminal;
b) The cable and channel grounding wire is good, and the connection is tight and reliable;
c) There are no signs of abrasion or discharge in the contact parts of cable trenches, shafts, cable sandwiches, cable outer sheaths and brackets or metal components in the bridge,
The cable tray is not inclined, the cables and connectors are well fixed, and the fire prevention facilities are intact;
d) No corrosion of metal components;
e) The holes in the cable channel are well sealed, and the ventilation, drainage and lighting facilities are intact.
5.4.5 Lightning arrester inspection
5.4.5.1 The patrol period of the arrester shall be no less than once a week, and the patrol record shall be made.
5.4.5.2 Special patrol inspection should be carried out on the arrester in the following situations.
a) When the operation is resumed after being newly commissioned or overhauled;
b) When there are serious defects or suspected serious defects in operation;
c) Before and after the thunderstorm season;
d) Equipment of the same type has failed.
5.4.5.3 The patrol inspection of the arrester shall include the following contents.
a) The appearance is normal, there is no trace of discharge, and no abnormal heating;
b) The number of actions of the discharge counter is normal, and the leakage current is normal;
c) The base is dry and free of water.
5.4.6 Pouring, intensive bus inspection
5.4.6.1 The inspection cycle of pouring and intensive bus bars shall be no less than once a week, and inspection records shall be made.
5.4.6.2 Special patrol inspections should be carried out for pouring and intensive busbars in the following situations.
a) When the operation is resumed after being newly commissioned or overhauled;
b) When there are serious defects or suspected serious defects in operation;
c) When operating with over-rated load;
d) During the hot season;
e) Equipment of the same type has failed.
5.4.6.3 The patrol inspection of pouring and intensive bus bars shall include the following contents.
a) The appearance is normal, there is no discharge trace, no peculiar smell, no abnormal heating;
b) The insulating resin is free from damage, shedding and aging;
c) The exterior is dry and free from moisture.
5.4.7 Reactor inspection
5.4.7.1 The reactor inspection cycle shall be no less than once a week, and inspection records shall be made.
5.4.7.2 Special patrol inspections of reactors should be carried out in the following situations.
a) When the operation is resumed after being newly commissioned or overhauled;
b) When there are serious defects or suspected serious defects in operation;
c) During the hot season;
d) Equipment of the same type has failed.
5.4.7.3 The patrol inspection of the reactor shall include the following.
a) The appearance is normal, no discharge trace, no peculiar smell, no abnormal sound;
b) All control boxes, secondary terminal boxes and mechanism boxes are tight and free from moisture;
c) There is no dirt accumulation on the surface, and the fireproof sealing is intact;
d) The doors, windows and lighting of the reactor room are intact, without water leakage, and the temperature and humidity are normal.
5.4.8 Overhead line inspection
5.4.8.1 The inspection cycle of overhead lines should be no less than once a month, and inspection records should be made.
5.4.8.2 Special inspections of overhead lines should be carried out in the following situations.
a) When the operation is resumed after being newly commissioned or overhauled;
b) When there are serious defects or suspected serious defects in operation;
c) Before the thunderstorm season, after severe weather such as strong wind, heavy rain, ice and snow;
d) During the hot season.
5.4.8.3 The patrol inspection of overhead lines shall include the following.
a) The poles and towers are not inclined, rusty, anti-theft nuts are not missing, and bolts are not loose;
b) There are no trees, climbing vines, piles and ill...
Tips & Frequently Asked Questions:Question 1: How long will the true-PDF of DL/T 2019-2019_English be delivered?Answer: Upon your order, we will start to translate DL/T 2019-2019_English as soon as possible, and keep you informed of the progress. The lead time is typically 2 ~ 4 working days. The lengthier the document the longer the lead time. Question 2: Can I share the purchased PDF of DL/T 2019-2019_English with my colleagues?Answer: Yes. The purchased PDF of DL/T 2019-2019_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. Our tax invoice, downloaded/delivered in 9 seconds, includes all tax/VAT and complies with 100+ countries' tax regulations (tax exempted in 100+ countries) -- See Avoidance of Double Taxation Agreements (DTAs): List of DTAs signed between Singapore and 100+ countriesQuestion 4: Do you accept my currency other than USD?Answer: Yes. If you need your currency to be printed on the invoice, please write an email to [email protected]. In 2 working-hours, we will create a special link for you to pay in any currencies. Otherwise, follow the normal steps: Add to Cart -- Checkout -- Select your currency to pay.
|