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ĐẦU PHÁT STAMFORD P80

Mã sản phẩm: Stamford P80

Nhà sản xuất: Stamford NEWAGE

Công suất (kVA ): 1920 – 5100 kVA

Điện áp & Tần số : 380 / 13800 V, 3 pha, 4 dây, 50Hz, 1500 v/p

Xuất xứ : Singapore, Anh Quốc, Trung Quốc

Description

ĐẦU PHÁT STAMFORD P80

The STAMFORD P80 series is an industry leading range of Low, Medium and High Voltage alternator products that has a power output of up to 5,190kVA.

Due to its adaptability and versatility the STAMFORD P80 has become the global alternator of choice in many applications requiring a durable and robust 4-pole product, whilst maintaining cost competitiveness, in applications such as Data Centres, Combined Heat and Power, Prime Power and critical standby power applications.

FRAME LV 804 S
SPECIFICATIONS & OPTIONS

STANDARDS:

Cummins Generator Technologies industrial generators meet the requirements of BS EN 60034 and the relevant sections of other national and international standards such as BS5000, VDE 0530, NEMA MG1-32, IEC60034, CSA C22.2-100, AS1359.
Other standards and certifications can be considered on request.

DESCRIPTION:

The STAMFORD range of synchronous ac generators are brushless with a rotating field. They are separately excited by the STAMFORD Permanent Magnet Generator (PMG). This is a shaft mounted, high frequency, pilot exciter which provides a constant supply of clean power via the Automatic Voltage Regulator (AVR) to the main exciter. The main exciter output is fed to the main rotor, through a full wave bridge rectifier, protected by surge suppression.

VOLTAGE REGULATORS VOLTAGE REGULATORS:

The P80 range generators complete with a PMG are available with one AVR. Underspeed protection (UFRO) is also provided by the AVR. The UFRO will reduce the generator output voltage proportional to the speed of the generator below a pre-settable level.

The STAMFORD | AvK Digital Excitation Control System (DM110) is an electronic, solid-state, microprocessor based control device. The DM110 regulates the output voltage of a the ac generator by controlling the current into the generator exciter field. Input power to the DM110 is provided by a multi-pole, high-frequency, permanent magnet generator (PMG).

The DM110 is supplied in an encapsulated package designed for behind-the-panel mounting. Front panel indicators (LEDs) annunciate DM110 status and system conditions. DM110 connections are made through quarterinch, quick-connect terminals on the rear panel. A 9-pin DB-9 type connector on the rear panel provides communication between the DM110 and an IBM compatible PC.

WINDINGS & ELECTRICAL PERFORMANCE:

All generator 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. 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 levels of voltage waveform distortion.

TERMINALS & TERMINAL BOX:

Standard generators feature a main stator with 6 ends brought out to the terminals, which are mounted on the frame 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 & KEYS:

All generator 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.

INSULATION/IMPREGNATION:

The insulation system is class ‘H’. All wound components are impregnated with materials and processes designed specifically to provide the high build required for static windings and the high mechanical strength required for rotating
components.

QUALITY ASSURANCE:

Generators are manufactured using production procedures having a quality assurance level to BS EN ISO 9001.

NOTE ON REGULATION:

The stated voltage regulation may not be maintained in the presence of certain radio transmitted signals. Any change in performance will fall within the limits of Criteria ‘B’ of EN 61000-6-2:2001. At no time will the steady-state voltage regulation exceed 2%.

NB Continuous development of our products entitles us to change specification details without notice, therefore they must not be regarded as binding. Front cover drawing is typical of the product range.

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