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Installation and maintenance of high power regulator
1. Instructions for use (1) Understand the conditions of use and methods of use before putting into operation;
(2) The load current does not exceed the specified output current value;
(3) If the input voltage is within the allowable range, if the output voltage is unstable, it should be checked and eliminated before use;
(4) When the input voltage exceeds the range, it will cause the output voltage to change; if the range is exceeded, the machine will automatically protect without voltage output, which will protect the electrical appliance and the machine itself. If the user has to continue to use When the power is on, the mains button can be activated. At this time, the regulator outputs the mains and does not work by itself;
(5) Under normal conditions of use, the regulator can operate continuously for a long period of time when it is under load;
2. Failure analysis and elimination:
(1) The output voltage deviates greatly from the voltage regulator: the manual and automatic transfer switches are not in the automatic position; they should be placed in the automatic position; the input voltage is out of the regulation range; if the carbon brush is in poor contact or does not slide on the slide, it should be adjusted;
(2) The output voltage is slightly deviated from the regulator, and the upper potentiometer should be adjusted and controlled;
(3) The output voltage oscillates; the grid voltage fluctuates instantaneously, or the load frequency changes;
(4) It is not the fault range: it can be started when the power is turned on: lack of phase or no zero line; the output is normal when no load occurs, the output voltage drops when full load; the input line is too long, and the load is too small;
3. Maintenance: The maintenance environment is different for different use environments. Usually, it should be maintained once every three months for up to six months. The maintenance contents include:
(1) Cleaning dust and dirt of various parts of the regulator, especially carbon brushes, slides, brush holders, guide rails and shifting mechanisms, must be cleaned with “carbon tetrachloride†and cotton cloth;
(2) Exchange worn or damaged carbon brushes;
(3) Repair or replace defective components;
(4) The tightness of the chain should be adjusted every 2-3 months of operation.
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Label: Installation and maintenance of high power regulator
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Elevator modernization (or lift modernisation) is the process of upgrading the critical parts of the elevator in order for it to be able to handle new technology, have better performance, improve safety, and even give the aesthetics an up-to-date appeal
Most elevators are built to provide about 20 years of service, as long as service intervals specified and periodic maintenance/inspections by the manufacturer are followed. As the elevator ages and equipment become increasingly difficult to find or replace, along with code changes and deteriorating ride performance, a complete overhaul of the elevator may be suggested to the building owners.
A typical modernization consists of controller equipment, electrical wiring and buttons, position indicators and direction arrows, hoist machines and motors (including door operators), and sometimes door hanger tracks. Rarely are car slings, rails, or other heavy structures changed. The cost of an elevator modernization can range greatly depending on which type of equipment is to be installed.
Modernization can greatly improve operational reliability by replacing mechanical relays and contacts with solid-state electronics. Ride quality can be improved by replacing motor-generator-based drive designs with Variable-Voltage, Variable Frequency (VVVF) drives, providing near-seamless acceleration and deceleration. Passenger safety is also improved by updating systems and equipment to conform to current codes.
Components needs to be replaced in different elevator modernization plan
| Component | Scheme of elevator modernization plan | |||
|---|---|---|---|---|
| Refurbishment work | Partial modernization | Full modernization | Full replacement | |
| Elevator car | ||||
| Sling | No | No | by building owners | Yes |
| Door operator | No | by building owners | Yes | Yes |
| Cab design | by building owners | by building owners | Yes | Yes |
| Car doors | by building owners | by building owners | Yes | Yes |
| Car fixtures | Yes | by building owners | Yes | Yes |
| Wedges connected to the governor | No | No | Yes | Yes |
| Additional phone/intercom if they don't equipped | by building owners | Yes | Yes | Yes |
| Traveling cable | No | Yes | Yes | Yes |
| Hydraulic rams | No | No | No | Yes |
| Wire ropes | No | by building owners | Yes | Yes |
| Shaft | ||||
| Counterweight | No | No | No | Yes |
| Guide rails | No | No | No | Yes |
| Buffers | No | No | Yes | Yes |
| Electrical components | No | No | No | Yes |
| Tapehead | No | Yes | Yes | Yes |
| Limit switches | No | Yes | Yes | Yes |
| Wiring | No | Yes | Yes | Yes |
| Compensations | No | No | No | Yes |
| Lobby | ||||
| Shaft door components | by building owners | by building owners | Yes | Yes |
| Shaft doors | by building owners | by building owners | by building owners | Yes |
| Hall fixtures | Yes | by building owners | Yes | Yes |
| Machine room | ||||
| Machines | No | by building owners | Yes | Yes |
| Controllers | No | Yes | Yes | Yes |
| Removal of the selector | by building owners | Yes | Yes | Yes |
| Overspeed governor | No | No | Yes | Yes |
| Additional unintended car movement protection device if they don't equipped | by building owners | by elevator safety code in countries | ||
| Backup battery or uninterruptible power supply | No | Yes | Yes | Yes |
Benefits of elevator modernization
Modernization can greatly improve operational reliability by replacing mechanical relays and contacts with solid-state electronics. Ride quality can be improved by replacing motor-generator-based drive designs with Variable-Voltage, Variable Frequency (VVVF) drives, providing near-seamless acceleration and deceleration. Passenger safety is also improved by updating systems and equipment (such as double brake system, unintended car movement protection device on the brake system etc.) to conform to current codes.
With CEP traction elevator modernization, we use the existing elevator structure while upgrading the ride quality and reliability with state-of-the-art components. Upgrade to a CEP closed loop door operator or a sophisticated, energy saving VVVF inverter.
CEP traction elevator modernization can include:
- CEP Microprocessor Based Control System
- CEP Microprocessor Based Efficient Dispatch System
- Energy Efficient AC Drives or SCR Drives on Existing AC Gearless Machines
- Traction Machines (Geared / Gearless)
- Rope Brake System
- CEP Closed Loop Door Operating System
- Car & Hall Pushbutton Fixtures & Indicators
- Car & Counterweight Roller Guides
- Seismic Upgrades
- Security Upgrades
- Cab Interior Renovations or Cab Replacement
NOTE: Complete tear-out modernizations are available.
Contact us TODAY for Right Modernization Package Available
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CEP Elevator Products ( China ) Co., Ltd. , https://www.zjfullelevatorreplacement.com