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Stamford Brushless Alternator Dynamo (6.5kVA-1000kVA)

Payment Type: T/T
Min. Order: 1

Basic Info

Model No.:  MDG

Product Description

Model NO.: MDG Installation Method: Fixed Cooling Method: Water Cooling Rated Voltage: 400V Speed: 1500/1800rpm Bearing: Single or Double AVR: Sx460/440 Testing Time: 5hours Before Delivery Trademark: MINDU Origin: Fujian, China Type: Micro-Computer Control Automatic Diesel Generator Stroke: Four Stroke Output Type: AC Three Phase Color: as Customers Requirements Rated Power: 6.5-1000kw Certificate: CE,IEC,ISO9001:2000 Terminal Box: Standard Rotor and Stator Winding: 100% Copper Wire Specification: IP21 HS Code: 8501330000 Stamford Brushless Alternator Dynamo (6.5kVA-1000kVA)

1-with AVR
3-standard IP21
5-standard: The same as stamford Generator
6-Engine can be connected with steel or flexible materials
7- Steel frame cast-iron cover
8- Excellent silicon steel chip
9-Imports bearing, Alternator can be one bearing or two bearing.

Frequency And Voltage
50Hz or 60Hz as per customer's request. Voltage from 380 ~ 690V, 190V~345V, 220~400V, serial star, parralle star and serial delta connection are available, All three-phase generators are 12-lead reconnectable, providing voltage and phase flexibility.

Insulation and Protection
Insulation: H, Protection: IP21
The components such as rotor and exciter are specially impregnated with tropical grade insulating oil and acid resisting polyest resin. Providing the high build required for static winging and the high mechanical strength required for rotating components.
IP23 is for optional but the rated power will decrease 5%.

Voltage Regulators
With this self-excited system the main stator provides power via the Automatic Voltage Regulator (AVR) to the exciter stator. The high efficiency semi-conductors of the AVR ensure positive build-up from initial low levels of residual voltage. The exciter rotor output is fed to the main rotor through a three-phase full-wave bridge rectifier. The rectifier is protected by a surge suppressor against surges caused, for example, by short circuit or out-of-phase paralleling.

All alternator stators are wound to 2/3 pitch. This eliminates triplen (3rd, 9th, 15th ^) harmonics on the voltage waveform and is found to be the optimum design for trouble-free supply of non-linear loads. The 2/3 pitch design avoids excessive neutral currents sometimes seen with higher winding pitches, when in parallel with the mains. A fully connected damper winding reduces oscillations during paralleling. This winding, with the 2/3 pitch and carefully selected pole and tooth designs, ensures very low waveform distortion.

Terminal and Terminal Box
Standard alternators are 3-phase reconnectable with 12 ends brought out to the terminals, which are mounted on a cover at the non-drive end of the generator. A sheet steel terminal box contains the AVR and provides ample space for the customers' wiring and gland arrangements. It has removable panels for easy access.

Shaft and Keys
All alternator rotors are dynamically balanced to better than BS6861: Part 1 Grade 2.5 for minimum vibration in operation. Two bearing generators are balanced with a half key.

Heavy Duty Bearing
Single bearing or Double bearing available. Heavy duty bearings are double shielded and pre-lubricated for the life of the bearing. This helps resist contamination and ensures a maximum bearing life.

Phone interference
THF(defined by 40th part of BS4999)

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