CZPTly utilised in chemical market Improved-Protection BRUSHLESS EXCITATION SYNCHRONOUS MOTOR
TAW sequence elevated security brushless excitation synchronous motor is a high-tech merchandise designed by our business that integrates explosion-evidence technologies, electricity electronic technology, automatic control technologies, and motor engineering. It is commonly utilized in spots with explosive and harmful gas in petroleum, chemical, coal and other industries to drive reciprocating compressors. This sequence of motors adopts new technology, new supplies, new technologies, exquisite material variety, and refined production. It has the traits of little dimension, light-weight fat, beautiful appearance, higher effectiveness, lower sounds, low vibration, protected and reputable procedure, and handy use and maintenance.
Our firm is the initial domestic company with R&D, style and creation abilities of such products. This series of motors have received the National Main CZPT Products Achievement Award, the Provincial Key Science and Technological innovation Project Award, and the explosion-proof electrical industrial product production license issued by the Condition Administration of Top quality Supervision, Inspection and Quarantine.
2. Implementation expectations
GB 3836.one-2571 CZPTal Tools for Explosive Gas Ambiance Portion 1: CZPT Specifications
GB3836.three-2571 CZPTal Products for Explosive Fuel Atmosphere Component 3: Elevated Security “e”
GB3836.9-2006 “Explosive atmosphere explosion-proof electrical gear, encapsulated electrical tools”
GB755-2008 Rotating Motor Rating and Performance
JB/T 8973-2011 Explosion-evidence technological requirements for elevated-security brushless excitation synchronous motors
JB/T 8974-2011 TAW series improved protection brushless excitation synchronous motor complex problems
GB 50058 Code for Design of CZPT Electricity Equipment in Explosion and Fireplace Dangerous Environment
3. Fundamental specialized parameters
Electricity variety: 350~10000kW
Voltage: 3000, 6000, 10000V
Pace: three hundred, 333, 375r/min (other speeds can also be manufactured as essential)
Rated frequency: 50Hz
Defense amount: IP54
Insulation class: F
Quota: S1 (function technique)
Cooling technique: IC81W, IC91W
Installation approach: IM7315, IM7311, IM7111, IM7115
Explosion-evidence mark: Exe II CT2Gc, ExeII CT3Gc
4, technological qualities
four.1 The excitation, rectification, excitation management, de-excitation protection and other units of the synchronous motor are mounted on the rotor. The rectified power is equipped by the coaxial alternator, as a result eliminating the slip ring and carbon brush device, producing the general composition compact and eliminating slippage. The spark developed by the speak to among the ring and the carbon brush.
4.two The use of new insulating resources, semiconductor materials and insulation technology, with tremendous-robust insulation face up to voltage and anti-corona abilities.
4.three The temperature increase margin is large. Underneath numerous working problems these kinds of as commence, overload, overexcitation, underexcitation, shutdown, and so forth., it can make sure that the temperature rise of each and every element does not exceed 80% of the corresponding group temperature. The motor adopts Class F insulation, and the temperature is evaluated according to the temperature increase limit of Class B insulation.
4.four The tE time value is long and the commencing time is limited. To make sure the safety and reliability of the motor, the tE time price of the motor is developed to be above 9s, which is convenient for end users to adjust and use.
four.5 The defense gadget is innovative and comprehensive.
four.five.one Stator windings and bearings are equipped with temperature detection products, which can check, alarm and vacation.
4.5.two Shutdown room heater with anti-condensation result (elevated security airtight variety).
4.five.3 There is a purge device interface on the motor, and a purge pipe is created within the motor to discharge the interior harmful fuel prior to the motor starts.
four.six The brushless excitation system adopts a coaxial integrated composition of rotating rectifier, rotating armature AC primary exciter and synchronous motor. It has automatic de-excitation security, automated excitation at the best time of polarity, and phase out of step with load. The clever automated management operate of the out-of-stage security has a large degree of security and rapidly response overall performance. Furthermore, when the voltage of the energy provide method fluctuates instantaneously and there is an oscillation, or when the pushed mechanical gear or process has powerful transient disturbance, the motor With automatic intelligent protection and manage perform, the impact on the operation of the motor is considerably more compact than that of the standard brushed synchronous motor.
five.1 The total structure of this collection of motors is a box composition, and the base, end protect, base plate, and so on. are welded by metal plates. The motor is an independent cavity, and the AC exciter and the rotating rectifier disc kind another unbiased cavity.
five.2 The magnetic supplies of the motor and the exciter are made of cold-rolled silicon steel sheets with large magnetic permeability and reduced loss. The damping strip and the magnetic pole core undertake a unique repairing method to stop starting sparks all inner conductor connections, fasteners, supports and The screws on the rotating physique have free actions to guarantee firmness and dependability, and steer clear of sparks and arcs.
5.3 The stator winding adopts reputable anti-corona measures to boost the corona initiation voltage. The principal motor and the AC exciter winding are handled with VPI as a complete dipping paint, which has higher electrical overall performance, mechanical energy, insulation efficiency, dampness resistance and thermal steadiness.
5.4 Undertake seat type spherical sliding bearing. The bearings are insulated to avert shaft currents new lubricating oil and thin-walled bearing alloy tiles are utilised, and electromagnetic centerline symptoms are established.
5.5 Rotating rectifier plate: The placement is tiny on the outdoors of the exciter, the electrical connectors, fixing elements and warmth sink are built-in, compact construction, trustworthy procedure, lower failure fee, and handy set up and servicing.
6. Conditions of Use
six.one Voltage fluctuation: ±5%, (It can operate at ±10% under the issue of seven.three in GB755)
six.two Frequency fluctuation: ±2%
six.3 The altitude does not exceed 1000m.
six.4 The greatest ambient air temperature does not exceed +40ºC, and the minimal is 0ºC.
six.five Zone two explosion hazard place fashioned by flamable gasoline or steam and air with ignition temperature group T1-T3 group.
For case in point,
Outer diameter of stator core (Φ2150mm)
Rated energy (1250kW)
Increased basic safety brushless excitation synchronous motor
8. Buying directions
8.one Before putting an purchase, you should refer to the item samples of this collection to explain the essential product models, requirements and other information.If there is any discrepancy among the necessary specs and the samples, you should contact us.
8.2 When inserting an get, the variety, rated electricity, synchronous speed, rated voltage, rated frequency, security class, flywheel torque, rotation route and set up form of the motor shall be indicated.
8.3 The sample complex knowledge desk only lists the appropriate information of motors with rated voltage of 6KV and 10KV. If the consumer demands other voltage lessons, the organization can also supply the related technical info when purchasing.
eight.4 The technical info and define dimensions in the sample will only be utilised as the reference for person choice, and the official knowledge will be provided by the Business after the agreement or complex agreement is signed.
eight.five If there are any other special requirements, such as the excitation control of the optional rotating everlasting magnet auxiliary exciter, remember to offer the needs and indicator the relevant specialized arrangement when buying.