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Amorphous alloy transformer

The amorphous alloy transformer is a kind of power distribution equipment with new technology for energy saving. The energy saving efficacy is mainly from the novel Fe-based amorphous alloy with excellent soft magnetic property. The application scope of the amorphous alloy transformer is as wide as that of the oil-immersed distribution transformer. It is widely used for reconstruction of urban and rural power grid, wind power plant, oil field exploitation and so on.

Technical parameters
Product advantage
External dimensions
Characteristics

Capacity	L × W × H (mm)	Total weight (kg)
30	990×860×810	420
50	1020×810×840	535
63	1060×820×865	595
80	1050×865×860	660
100	1110×880×920	770
125	1150×880×950	860
160	1210×880×965	990
200	1265×895×1015	1110
250	1310×895×1060	1275
315	1365×835×1105	1470
400	1370×1030×1195	1835
500	1385×1125×1195	2130
630	1505×1305×1295	2610
800	1900×1175×1395	3090
1000	2115×1275×1420	3570
1250	2140×1490×1440	4140
1600	2310×1560×1530	4950

In case of any change in the external dimensions and weight provided in the instructions due to technical improvement,

the actual product shall prevail.

1. Low noise: compact design structure, application of new material and new process, noise reduction, no oil conservator, height lower than that of like products. Oil change is not required within the normal life, which improves safety and reliability of power grid operation.

2. Vacuum oil filling process is adopted for transformer packaging, which completely removes dampness in the transformer oil tank. The transformer is not in contact with air after sealing, which effectively prevents oxygen and moisture from entering the transformer, leading to decline in insulation property (insulation material and oil aging). Therefore, oil sample test shall be conducted irregularly.

3. Reliable long service life: the bolted connecting structure is adopted for the fully sealed box cover and box edge, so as to isolate contact between oil and air. Insulation will not be affected with damp, which greatly reduces insulation aging speed, and improve service life.

4. Small volume and artistic outline. The corrugated plate radiating fin is adopted for S (B) H15 series carburetor. In case of any change in the oil temperature, changes in oil volume shall be adjusted through elastic expansion and contraction of the corrugated plate for compensation. The corrugated tank has artistic outline, small volume and small floor area.

5. Lifting center free: the user is not required to check the lifting center before operation of the fully sealed transformer, and the user can save the expense for lifting center inspection.

6. Maintenance-free: maintenance is not required.

Table 1 Performance parameters of amorphous alloy transformer with primary rated voltage of 6kV and 10kV

Rated capacity (kVA)	Voltage combination			Connection unit symbol	Loss		No-load current (％)	Short-circuit impedance (％)
Rated capacity (kVA)	Primary voltage (kV)	Primary voltage tapping range (%)	Secondary voltage (kV)	Connection unit symbol	No load W	Load W	No-load current (％)	Short-circuit impedance (％)
30	6 6.3 10 10.5 11	±5 ±2×2.5	0.4	Dyn11	33	630/666	1.5	4
50					43	910/870	1.2
63					50	1090/1040	1.1
80					60	1310/1250	1.0
100					75	1580/1500	0.9
125					85	1890/1800	0.8
160					100	2310/2200	0.6
200					120	2730/2600	0.6
250					140	3200/3050	0.6
315					170	3830/3650	0.5
400					200	4520/4300	0.5
500					240	5410/5150	0.5
630					320	6200	0.3	4.5
800					380	7500	0.3
1000					450	10300	0.3
1250					530	12000	0.2
1600					630	14500	0.2

Table 2 Insulation level

Rated voltage (kV)	Rated short-term power frequency withstand voltage (kV)
≤1	3
3	10
6	20
10	35
15	38
20	50
35	70

1. Characteristic of ultra-low loss, energy saving and high power consumption efficiency;

2. The characteristics of low energy and ultra-low loss are utilized during manufacturing of the amorphous metal material, which can substantially save power consumption, reduce electricity output of the power plant,reduce CO?SO?exhaust emission relatively, and reduce environmental pollution and greenhouse effect, maintenance-free and pollution-free;

3. Low operating temperature, slow insulation aging and long service life of the transformer;

4. High overload capability, high mechanical strength;

5. When the amorphous iron core passes through magnetic flux with higher frequency, it still has the characteristics of low iron loss and low exciting current, so as to avoid iron core saturation. Therefore, S (B) H15 amorphous alloy transformer made of amorphous iron core has good resistance to harmonic wave;

6. Rapid returns on investment