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High Stability Generator
High Stability Generator

High Stability Generator

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  • Introduction
Introduction

Steam turbine generator refers to the generator driven by steam turbine. Superheated steam generated by the boiler enters the steam turbine to expand and do work, so that the blades rotate to drive the generator to generate electricity, and the waste steam after doing work is sent back to the boiler for recycling through a condenser, a circulating water pump, a condensate water pump, a feed water heating device and the like.

The turbo-generator is common-shaft excitation AC synchronous generator with 3 phases, 2 poles or with 3 phases, 4 poles. It is air-cooled with open or close ventilation circulation system, seated sliding bearings. Coils of the rotor and stator of the turbo-generator is of B-class insulation. The base plate of the machine is welded by steel plates, which is sturdy in structure and light in weight. Electrical and mechanical performance of the turbo-generator is strictly measured and tested before delivery. Its major technical parameters are in conformity with JB3220-83 and JB636-83 standard. It has the advantages of advanced manufacturing procedure, reasonable structure, high class insulation, best electrical performance, reliable operation, etc.

This series of turbo-generator is supplied together with turbines made by our plant in order to form a complete unit and offers great convenience to customers in design, maintenance and installation.

3-generator

model Capacity (KVA) Rated power (v) Voltage (v) Current (A) Power factor cosф Efficiency (%) Rated speed (r/min) Weight (t)
TQTK0.75—4 937.5 750 400 1355 0.8 93.0 1500 6.4
QFK-1.5-2 1875 1500 6300 172 0.8 94.5 3000 11.5
10500 103 12.3
QFK-3-2 3750 3000 6300 344 0.8 95.3 3000 14.5

10500 206 14.95
QF-3-2 3750 3000 6300 344 0.8 95.3 3000 13.0
10500 206 13.6
QF-4.5-2 5625 4500 6300 515 0.8 95.3 3000 18.36
10500 309 18.9
QF-6-2 7500 6000 6300 688 0.8 96.4 3000 21.2
10500 412 21.7
QF-7.5-2 9375 7500 6300 859 0.8 96.4 3000 26.0
10500 515 26.7
QF-12-2 15000 12000 6300 1375 0.8 97 3000 38.1
10500 825 38.7
QF-15-2 18750 15000 6300 1718 0.8 97 3000 44
10500 1031 45
Note: The generator exciting way is by exciter and silica control.


50MW 60MW 100MW
1 Rated power 50MW 60MW 100MW
2 Rated voltage 10.5kV 10.5kV 10.5kV
3 Rated current 3437A 3881A 6469A
4 Power factorcosφ 0.8 0.85 0.85
5 Rated frequency 50HZ 50HZ 50HZ
6 Rated speed 3000r/min 3000r/min 3000r/min
7 Efficiency(%) 98.2% 98.2% 98.4%
8 Direction of rotation Seen from the turbine end, it is clockwise.
9 Stator weight 70t 72t 100.5t
10 Rotor weight 22t 22t 29.6t
11 Total weight of generator 112t 114t 136.9t
Models

model capacity(KVA) rated power(kW) rated voltage(V) rated current(A) power factorcosφ efficiency(%) rated speed(r/min) weight(t) weight(t) overall dimensionsL×M×H
QF-K25-2 31250 25000 6300 2863 0.8 97.8 3000 67 42 6895×2730×2500
10500 1718 97.61 69 43 6895×2730×2500
QF-K30-2 37500 30000 6300 3436 0.8 97.93 3000 67 42 7095×2730×2810
10500 2062 97.8 74 47 7095×2730×2810
QF-K50-2 62500 50000 6300 5728 0.8 98.4 3000 108 61 7550×3120×3418
10500 3436 98.3 108 61 7550×3120×3418
QF-K60-2 75000 60000 6300 6873 0.8 98.49 3000 116 69 7850×3120×3418
10500 4124 98.41 116 69 7850×3120×3418
QF-K135-2 158823 135000 13800 6644 0.8 98.4 3000 200 140 12100×3510×3520

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